Bump actions/checkout from 5 to 6 (#173)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/reusable-code-quality.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Add problem matcher
         run: |
@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check existence of composer.json file
         id: check_composer_file
@@ -100,7 +100,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup node
         uses: actions/setup-node@v6
@@ -116,7 +116,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check existence of config file
         id: check_files
@@ -134,7 +134,7 @@ jobs:
 
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check existence of composer.json & phpcs.xml.dist files
         id: check_files
@@ -183,7 +183,7 @@ jobs:
 
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check existence of composer.json & phpcs.xml.dist files
         id: check_files

.github/workflows/reusable-regenerate-readme.yml

@@ -18,7 +18,7 @@ jobs:
     if: ${{ github.repository_owner == 'wp-cli' && ! contains(fromJson('[".github", "wp-cli", "wp-cli-bundle", "wp-super-cache-cli", "php-cli-tools", "wp-config-transformer", "wp-cli.github.com"]'), github.event.repository.name) }}
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up PHP environment
         uses: shivammathur/setup-php@v2

.github/workflows/reusable-testing.yml

@@ -223,7 +223,7 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check existence of composer.json & phpunit.xml.dist files
         id: check_files
@@ -280,7 +280,7 @@ jobs:
 
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up PHP environment
         uses: shivammathur/setup-php@v2
@@ -339,7 +339,7 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check existence of composer.json & behat.yml files
         id: check_files
@@ -410,7 +410,7 @@ jobs:
 
     steps:
       - name: Check out source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Ghostscript
         if: ${{ matrix.os == 'ubuntu-22.04' || matrix.os == '' }}