Build/Test Tools: Limit when GitHub Action workflows run on pull_request.

Different branches have support for different types of testing based on the tooling that was in place at the time each version was branched. The workflows currently in place have patterns configured to match the relevant `branches` and `tags` for each workflow, but only for `push` events.

This copies the patterns for matching supported `branches` over to the `pull_request` event to prevent workflows from running for a pull request to a branch that does not support that workflow.

Fixes #52643.

git-svn-id: https://develop.svn.wordpress.org/trunk@50432 602fd350-edb4-49c9-b593-d223f7449a82

.github/workflows/coding-standards.yml

@@ -1,17 +1,21 @@
 name: Coding Standards
 
 on:
+  # JSHint was introduced in WordPress 3.8.
+  # PHPCS checking was introduced in WordPress 5.1.
   push:
     branches:
       - master
-      # JSHint was introduced in WordPress 3.8.
-      # PHPCS checking was introduced in WordPress 5.1.
       - '3.[89]'
       - '[4-9].[0-9]'
     tags:
       - '3.[89]*'
       - '[4-9].[0-9]*'
   pull_request:
+    branches:
+      - master
+      - '3.[89]'
+      - '[4-9].[0-9]'
 
 jobs:
   # Runs PHP coding standards checks.

.github/workflows/end-to-end-tests.yml

@@ -1,16 +1,20 @@
 name: End-to-end Tests
 
 on:
+  # The end to end test suite was introduced in WordPress 5.3.
   push:
     branches:
       - master
-      # The end to end test suite was introduced in WordPress 5.3.
       - '5.[3-9]'
       - '[6-9].[0-9]'
     tags:
       - '5.[3-9]*'
       - '[6-9].[0-9]*'
   pull_request:
+    branches:
+      - master
+      - '5.[3-9]'
+      - '[6-9].[0-9]'
 
 env:
   LOCAL_DIR: build

.github/workflows/javascript-tests.yml

@@ -1,16 +1,20 @@
 name: JavaScript Tests
 
 on:
+  # JavaScript testing was introduced in WordPress 3.8.
   push:
     branches:
       - master
-      # JavaScript testing was introduced in WordPress 3.8.
       - '3.[89]'
       - '[4-9].[0-9]'
     tags:
       - '3.[89]*'
       - '[4-9].[0-9]*'
   pull_request:
+    branches:
+      - master
+      - '3.[89]'
+      - '[4-9].[0-9]'
 
 jobs:
   # Runs the QUnit tests for WordPress.

.github/workflows/php-compatibility.yml

@@ -1,16 +1,20 @@
 name: PHP Compatibility
 
 on:
+  # PHP compatibility testing was introduced in WordPress 5.5.
   push:
     branches:
       - master
-      # The PHP compatibility testing was introduced in WordPress 5.5.
       - '5.[5-9]'
       - '[6-9].[0-9]'
     tags:
       - '5.[5-9]*'
       - '[6-9].[0-9]*'
   pull_request:
+    branches:
+      - master
+      - '5.[5-9]'
+      - '[6-9].[0-9]'
 
 jobs:
 

.github/workflows/phpunit-tests.yml

@@ -10,6 +10,10 @@ on:
       - '3.[7-9]*'
       - '[4-9].[0-9]*'
   pull_request:
+    branches:
+      - master
+      - '3.[7-9]'
+      - '[4-9].[0-9]'
   # Once weekly On Sundays at 00:00 UTC.
   schedule:
     - cron: '0 0 * * 0'

.github/workflows/verify-npm-on-windows.yml

@@ -7,6 +7,10 @@ on:
       - '3.[7-9]'
       - '[4-9].[0-9]'
   pull_request:
+    branches:
+      - master
+      - '3.[7-9]'
+      - '[4-9].[0-9]'
 
 env:
   PUPPETEER_SKIP_CHROMIUM_DOWNLOAD: ${{ true }}