Replace the Cancel workflow with native GitHub Action functionality.

.github/workflows/build-plugin-zip.yml

@@ -10,6 +10,13 @@ on:
                 description: 'rc or stable?'
                 required: true
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+    # The concurrency group contains the workflow name and the branch name for pull requests
+    # or the commit hash for any other events.
+    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+    cancel-in-progress: true
+
 jobs:
     bump-version:
         name: Bump version

.github/workflows/bundle-size.yml

@@ -2,6 +2,13 @@ name: Compressed Size
 
 on: [pull_request]
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+    # The concurrency group contains the workflow name and the branch name for pull requests
+    # or the commit hash for any other events.
+    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+    cancel-in-progress: true
+
 jobs:
     build:
         name: Check

.github/workflows/create-block.yml

@@ -5,6 +5,13 @@ on:
     push:
         branches: [trunk, wp/trunk]
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+    # The concurrency group contains the workflow name and the branch name for pull requests
+    # or the commit hash for any other events.
+    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+    cancel-in-progress: true
+
 jobs:
     checks:
         name: Checks

.github/workflows/end2end-test.yml

@@ -8,6 +8,13 @@ on:
             - 'release/**'
             - 'wp/**'
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+  # The concurrency group contains the workflow name and the branch name for pull requests
+  # or the commit hash for any other events.
+  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+  cancel-in-progress: true
+
 jobs:
     admin:
         name: Admin - ${{ matrix.part }}

.github/workflows/performance.yml

@@ -5,6 +5,13 @@ on:
     release:
         types: [published]
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+    # The concurrency group contains the workflow name and the branch name for pull requests
+    # or the commit hash for any other events.
+    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+    cancel-in-progress: true
+
 jobs:
     performance:
         name: Run performance tests

.github/workflows/rnmobile-android-runner.yml

@@ -5,6 +5,13 @@ on:
     push:
         branches: [trunk]
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+    # The concurrency group contains the workflow name and the branch name for pull requests
+    # or the commit hash for any other events.
+    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+    cancel-in-progress: true
+
 jobs:
     test:
         runs-on: macos-latest

.github/workflows/rnmobile-ios-runner.yml

@@ -5,6 +5,13 @@ on:
     push:
         branches: [trunk]
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+    # The concurrency group contains the workflow name and the branch name for pull requests
+    # or the commit hash for any other events.
+    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+    cancel-in-progress: true
+
 jobs:
     test:
         runs-on: macos-latest

.github/workflows/static-checks.yml

@@ -8,6 +8,13 @@ on:
             - 'release/**'
             - 'wp/**'
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+    # The concurrency group contains the workflow name and the branch name for pull requests
+    # or the commit hash for any other events.
+    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+    cancel-in-progress: true
+
 jobs:
     check:
         name: All

.github/workflows/unit-test.yml

@@ -10,6 +10,13 @@ on:
             - 'release/**'
             - 'wp/**'
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+    # The concurrency group contains the workflow name and the branch name for pull requests
+    # or the commit hash for any other events.
+    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+    cancel-in-progress: true
+
 jobs:
     unit-js:
         name: JavaScript