diff --git a/.github/workflows/datastore-functions.yaml b/.github/workflows/datastore-functions.yaml
index b789f91d74..3f0f8b8059 100644
--- a/.github/workflows/datastore-functions.yaml
+++ b/.github/workflows/datastore-functions.yaml
@@ -22,18 +22,17 @@ on:
     - '.github/workflows/datastore-functions.yaml'
     - '.github/workflows/test.yaml'
   pull_request:
-    paths:
-    - 'datastore/functions/**'
-    - '.github/workflows/datastore-functions.yaml'
-    - '.github/workflows/test.yaml'
-  pull_request_target:
-    types: [labeled]
+    types:
+    - opened
+    - reopened
+    - synchronize
+    - labeled
     paths:
     - 'datastore/functions/**'
     - '.github/workflows/datastore-functions.yaml'
     - '.github/workflows/test.yaml'
   schedule:
-  - cron:  '0 0 * * 0'
+  - cron: '0 0 * * 0'
 jobs:
   test:
     permissions:
diff --git a/.github/workflows/dialogflow-cx.yaml b/.github/workflows/dialogflow-cx.yaml
index 521c4a8802..c59055fe67 100644
--- a/.github/workflows/dialogflow-cx.yaml
+++ b/.github/workflows/dialogflow-cx.yaml
@@ -21,16 +21,16 @@ on:
     - 'dialogflow-cx/**'
     - '.github/workflows/dialogflow-cx.yaml'
   pull_request:
-    paths:
-    - 'dialogflow-cx/**'
-    - '.github/workflows/dialogflow-cx.yaml'
-  pull_request_target:
-    types: [labeled]
+    types:
+    - opened
+    - reopened
+    - synchronize
+    - labeled
     paths:
     - 'dialogflow-cx/**'
     - '.github/workflows/dialogflow-cx.yaml'
   schedule:
-  - cron:  '0 0 * * 0'
+  - cron: '0 0 * * 0'
 jobs:
   test:
     permissions:
diff --git a/.github/workflows/dialogflow.yaml b/.github/workflows/dialogflow.yaml
index 28cdb673e0..4892f5a163 100644
--- a/.github/workflows/dialogflow.yaml
+++ b/.github/workflows/dialogflow.yaml
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 name: dialogflow
+
 on:
   push:
     branches:
@@ -22,18 +23,17 @@ on:
     - '.github/workflows/dialogflow.yaml'
     - '.github/workflows/test.yaml'
   pull_request:
-    paths:
-    - 'dialogflow/**'
-    - '.github/workflows/dialogflow.yaml'
-    - '.github/workflows/test.yaml'
-  pull_request_target:
-    types: [labeled]
+    types:
+    - opened
+    - reopened
+    - synchronize
+    - labeled
     paths:
     - 'dialogflow/**'
     - '.github/workflows/dialogflow.yaml'
     - '.github/workflows/test.yaml'
   schedule:
-  - cron:  '0 0 * * 0'
+  - cron: '0 0 * * 0'
 jobs:
   test:
     permissions:
diff --git a/.github/workflows/discoveryengine.yaml b/.github/workflows/discoveryengine.yaml
index 07583d8435..131fb127c5 100644
--- a/.github/workflows/discoveryengine.yaml
+++ b/.github/workflows/discoveryengine.yaml
@@ -22,18 +22,17 @@ on:
     - '.github/workflows/discoveryengine.yaml'
     - '.github/workflows/test.yaml'
   pull_request:
-    paths:
-    - 'discoveryengine/**'
-    - '.github/workflows/discoveryengine.yaml'
-    - '.github/workflows/test.yaml'
-  pull_request_target:
-    types: [labeled]
+    types:
+    - opened
+    - reopened
+    - synchronize
+    - labeled
     paths:
     - 'discoveryengine/**'
     - '.github/workflows/discoveryengine.yaml'
     - '.github/workflows/test.yaml'
   schedule:
-  - cron:  '0 0 * * 0'
+  - cron: '0 0 * * 0'
 jobs:
   test:
     permissions:
diff --git a/.github/workflows/document-ai.yaml b/.github/workflows/document-ai.yaml
index e70d7b5fe1..78ef3e388a 100644
--- a/.github/workflows/document-ai.yaml
+++ b/.github/workflows/document-ai.yaml
@@ -22,18 +22,17 @@ on:
     - '.github/workflows/document-ai.yaml'
     - '.github/workflows/test.yaml'
   pull_request:
-    paths:
-    - 'document-ai/**'
-    - '.github/workflows/document-ai.yaml'
-    - '.github/workflows/test.yaml'
-  pull_request_target:
-    types: [labeled]
+    types:
+    - opened
+    - reopened
+    - synchronize
+    - labeled
     paths:
     - 'document-ai/**'
     - '.github/workflows/document-ai.yaml'
     - '.github/workflows/test.yaml'
   schedule:
-  - cron:  '0 0 * * 0'
+  - cron: '0 0 * * 0'
 jobs:
   test:
     permissions:
diff --git a/.github/workflows/document-warehouse.yaml b/.github/workflows/document-warehouse.yaml
index a3aabce462..942589dbf3 100644
--- a/.github/workflows/document-warehouse.yaml
+++ b/.github/workflows/document-warehouse.yaml
@@ -22,18 +22,17 @@ on:
     - '.github/workflows/document-warehouse.yaml'
     - '.github/workflows/test.yaml'
   pull_request:
-    paths:
-    - 'document-warehouse/**'
-    - '.github/workflows/document-warehouse.yaml'
-    - '.github/workflows/test.yaml'
-  pull_request_target:
-    types: [labeled]
+    types:
+    - opened
+    - reopened
+    - synchronize
+    - labeled
     paths:
     - 'document-warehouse/**'
     - '.github/workflows/document-warehouse.yaml'
     - '.github/workflows/test.yaml'
   schedule:
-  - cron:  '0 0 * * 0'
+  - cron: '0 0 * * 0'
 jobs:
   test:
     # Ref: https://github.com/google-github-actions/auth#usage
diff --git a/.github/workflows/endpoints-getting-started-grpc.yaml b/.github/workflows/endpoints-getting-started-grpc.yaml
index c8f36ff77d..88d3bfacc4 100644
--- a/.github/workflows/endpoints-getting-started-grpc.yaml
+++ b/.github/workflows/endpoints-getting-started-grpc.yaml
@@ -22,18 +22,17 @@ on:
     - '.github/workflows/endpoints-getting-started-grpc.yaml'
     - '.github/workflows/test.yaml'
   pull_request:
-    paths:
-    - 'endpoints/getting-started-grpc/**'
-    - '.github/workflows/endpoints-getting-started-grpc.yaml'
-    - '.github/workflows/test.yaml'
-  pull_request_target:
-    types: [labeled]
+    types:
+    - opened
+    - reopened
+    - synchronize
+    - labeled
     paths:
     - 'endpoints/getting-started-grpc/**'
     - '.github/workflows/endpoints-getting-started-grpc.yaml'
     - '.github/workflows/test.yaml'
   schedule:
-  - cron:  '0 0 * * 0'
+  - cron: '0 0 * * 0'
 jobs:
   test:
     permissions:
diff --git a/.github/workflows/endpoints-getting-started.yaml b/.github/workflows/endpoints-getting-started.yaml
index d8ec8025b2..6ffe339d66 100644
--- a/.github/workflows/endpoints-getting-started.yaml
+++ b/.github/workflows/endpoints-getting-started.yaml
@@ -22,18 +22,17 @@ on:
     - '.github/workflows/endpoints-getting-started.yaml'
     - '.github/workflows/test.yaml'
   pull_request:
-    paths:
-    - 'endpoints/getting-started/**'
-    - '.github/workflows/endpoints-getting-started.yaml'
-    - '.github/workflows/test.yaml'
-  pull_request_target:
-    types: [labeled]
+    types:
+    - opened
+    - reopened
+    - synchronize
+    - labeled
     paths:
     - 'endpoints/getting-started/**'
     - '.github/workflows/endpoints-getting-started.yaml'
     - '.github/workflows/test.yaml'
   schedule:
-  - cron:  '0 0 * * 0'
+  - cron: '0 0 * * 0'
 jobs:
   test:
     permissions:
diff --git a/.github/workflows/error-reporting.yaml b/.github/workflows/error-reporting.yaml
index 16783257e7..e82aa86df8 100644
--- a/.github/workflows/error-reporting.yaml
+++ b/.github/workflows/error-reporting.yaml
@@ -22,18 +22,17 @@ on:
     - '.github/workflows/error-reporting.yaml'
     - '.github/workflows/test.yaml'
   pull_request:
-    paths:
-    - 'error-reporting/**'
-    - '.github/workflows/error-reporting.yaml'
-    - '.github/workflows/test.yaml'
-  pull_request_target:
-    types: [labeled]
+    types:
+    - opened
+    - reopened
+    - synchronize
+    - labeled
     paths:
     - 'error-reporting/**'
     - '.github/workflows/error-reporting.yaml'
     - '.github/workflows/test.yaml'
   schedule:
-  - cron:  '0 0 * * 0'
+  - cron: '0 0 * * 0'
 jobs:
   test:
     permissions:
diff --git a/.github/workflows/eventarc-generic.yaml b/.github/workflows/eventarc-generic.yaml
index 3d2582f4e8..65fee69178 100644
--- a/.github/workflows/eventarc-generic.yaml
+++ b/.github/workflows/eventarc-generic.yaml
@@ -22,18 +22,17 @@ on:
     - '.github/workflows/eventarc-generic.yaml'
     - '.github/workflows/test.yaml'
   pull_request:
-    paths:
-    - 'eventarc/generic/**'
-    - '.github/workflows/eventarc-generic.yaml'
-    - '.github/workflows/test.yaml'
-  pull_request_target:
-    types: [labeled]
+    types:
+    - opened
+    - reopened
+    - synchronize
+    - labeled
     paths:
     - 'eventarc/generic/**'
     - '.github/workflows/eventarc-generic.yaml'
     - '.github/workflows/test.yaml'
   schedule:
-  - cron:  '0 0 * * 0'
+  - cron: '0 0 * * 0'
 jobs:
   test:
     permissions: