ci: add merge_group trigger

Signed-off-by: Mateusz Urbanek <murbanek@akamai.com>

.github/workflows/k8s-linters.yaml

@@ -1,6 +1,7 @@
 name: k8s-linters
 
 on:
+  merge_group:
   pull_request:
     branches: ["*"]
   push:

.github/workflows/linters.yaml

@@ -1,6 +1,7 @@
 name: linters
 
 on:
+  merge_group:
   pull_request:
     branches: [ '*' ]
   push:

.github/workflows/semantic-pr.yaml

@@ -1,6 +1,7 @@
 name: semantic-pr
 
 on:
+  merge_group:
   pull_request_target:
     types:
       - opened

.github/workflows/tests-secure.yaml

@@ -1,6 +1,7 @@
 name: tests
 
 on:
+  merge_group:
   pull_request_target:
     branches: [ '*' ]
   push:

.github/workflows/tests.yaml

@@ -1,6 +1,7 @@
 name: tests
 
 on:
+  merge_group:
   pull_request:
     branches: [ '*' ]
   push: