chore(deps): update actions/checkout action to v6 (#883)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/audit-signatures.yml

@@ -30,7 +30,7 @@ jobs:
             tuf-repo-cdn.sigstore.dev:443
 
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Setup Node.js environment
         uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0

.github/workflows/ci-integration.yml

@@ -60,7 +60,7 @@ jobs:
         run: sudo apt-get update && sudo apt-get -y install subversion
 
       - name: Check out the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Set up PHP
         uses: shivammathur/setup-php@0f7f1d08e3e32076e51cae65eb0b0c871405b16e # 2.34.1

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
             registry.npmjs.org:443
 
       - name: Check out the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Setup Node.js environment
         uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
@@ -74,7 +74,7 @@ jobs:
         run: sudo apt-get update && sudo apt-get -y install subversion
 
       - name: Check out the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Set up WordPress and WordPress Test Library
         uses: ./
@@ -107,7 +107,7 @@ jobs:
             registry.npmjs.org:443
 
       - name: Check out the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           token: ${{ secrets.REPOSITORY_ACCESS_TOKEN }}
 

.github/workflows/codeql-analysis.yml

@@ -42,7 +42,7 @@ jobs:
             release-assets.githubusercontent.com:443
 
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@e12f0178983d466f2f6028f5cc7a6d786fd97f4b # v4.31.4

.github/workflows/dependency-review.yml

@@ -25,7 +25,7 @@ jobs:
             github.com:443
 
       - name: Check out the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Review dependencies
         uses: actions/dependency-review-action@3c4e3dcb1aa7874d2c16be7d79418e9b7efd6261 # v4.8.2

.github/workflows/package-audit.yml

@@ -33,7 +33,7 @@ jobs:
             registry.npmjs.org:443
 
       - name: Check out the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Setup Node.js environment
         uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0