Build/Test Tools: Update all 3rd party GitHub actions to the latest versions.

See #53363.

git-svn-id: https://develop.svn.wordpress.org/trunk@52183 602fd350-edb4-49c9-b593-d223f7449a82

.github/workflows/phpunit-tests.yml

@@ -109,10 +109,10 @@ jobs:
           echo "PHP_FPM_GID=$(id -g)" >> $GITHUB_ENV
 
       - name: Checkout repository
-        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f # v2.3.4
+        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2.4.0
 
       - name: Install NodeJS
-        uses: actions/setup-node@38d90ce44d5275ad62cc48384b3d8a58c500bb5f # v2.2.2
+        uses: actions/setup-node@270253e841af726300e85d718a5f606959b2903c # v2.4.1
         with:
           node-version: 14
           cache: npm
@@ -131,7 +131,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache Composer dependencies
-        uses: actions/cache@26968a09c0ea4f3e233fdddbafd1166051a095f6 # v2.1.4
+        uses: actions/cache@c64c572235d810460d0d6876e9c705ad5002b353 # v2.1.6
         env:
           cache-name: cache-composer-dependencies
         with:
@@ -230,7 +230,7 @@ jobs:
 
       - name: Checkout the WordPress Test Reporter
         if: ${{ github.repository == 'WordPress/wordpress-develop' && github.ref == 'refs/heads/trunk' && matrix.report }}
-        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f # v2.3.4
+        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2.4.0
         with:
           repository: 'WordPress/phpunit-test-runner'
           path: 'test-runner'