Update workflow versions

Author: dshanske

.github/workflows/cp-phpunit.yml

@@ -21,7 +21,7 @@ jobs:
           - cp-version: latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
@@ -30,7 +30,7 @@ jobs:
           tools: composer, phpunit-polyfills
           extensions: mysql
       - name: Install Composer dependencies for PHP
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
       - name: Setup Test Environment
         run: |
           sudo apt update

.github/workflows/deploy.yml

@@ -8,7 +8,7 @@ jobs:
    name: New tag
    runs-on: ubuntu-latest
    steps:
-   - uses: actions/checkout@v4
+   - uses: actions/checkout@v6
    - name: WordPress Plugin Deploy
      uses: 10up/action-wordpress-plugin-deploy@stable
      env:

.github/workflows/update.yml

@@ -8,7 +8,7 @@ jobs:
     name: Push to trunk
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: WordPress.org plugin asset/readme update
       uses: 10up/action-wordpress-plugin-asset-update@stable
       env:

.github/workflows/wp-phpunit.yml

@@ -19,7 +19,7 @@ jobs:
         php-versions: ['7.4', '8.0', '8.2', '8.3', '8.4']
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
@@ -28,7 +28,7 @@ jobs:
           tools: composer, phpunit-polyfills
           extensions: mysql
       - name: Install Composer dependencies for PHP
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
       - name: Setup Test Environment
         run: |
           sudo apt update