Fix status checks.

.github/workflows/memory_leak.yml

@@ -2,14 +2,10 @@ name: Memory Leaks
 
 on:
     push:
-        branches:
-            - master
         paths:
             - 'src/_pyawaitable/**'
             - '.github/workflows/memory_leak.yml'
     pull_request:
-        branches:
-            - master
         paths:
             - 'src/_pyawaitable/**'
             - '.github/workflows/memory_leak.yml'

.github/workflows/memory_leak_noop.yml

@@ -0,0 +1,19 @@
+name: Memory Leaks
+
+on:
+    push:
+        paths-ignore:
+            - 'src/_pyawaitable/**'
+            - '.github/workflows/memory_leak.yml'
+    pull_request:
+        paths-ignore:
+            - 'src/_pyawaitable/**'
+            - '.github/workflows/memory_leak.yml'
+
+jobs:
+    memory-leaks:
+        name: Check for memory leaks and errors
+        runs-on: ubuntu-latest
+
+        steps:
+            - run: 'echo "This change does not affect C code."'

.github/workflows/test_noop.yml

@@ -0,0 +1,21 @@
+name: Tests
+
+on:
+    push:
+        paths:
+            - 'tests/**'
+            - 'src/**'
+            - '.github/workflows/tests.yml'
+    pull_request:
+        paths:
+            - 'tests/**'
+            - 'src/**'
+            - '.github/workflows/tests.yml'
+
+jobs:
+    run-tests:
+        name: Tests
+        runs-on: ubuntu-latest
+
+        steps:
+            - run: 'echo "This change does not affect tests."'