Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/basic-validation.yml

@@ -40,7 +40,7 @@ jobs:
         operating-systems: ${{fromJson(inputs.operating-systems)}}
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Setup Node.js ${{inputs.node-version}}
       uses: actions/setup-node@v6

.github/workflows/check-dist.yml

@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js ${{inputs.node-version}}
         uses: actions/setup-node@v6

.github/workflows/codeql-analysis.yml

@@ -37,7 +37,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/licensed.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
 
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install dependencies
         run: npm ci --ignore-scripts

.github/workflows/update-config-files.yml

@@ -32,13 +32,13 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - name: Checkout ${{github.repository}} repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: "${{inputs.base-pr-branch}}"
           path: "target"
 
       - name: Checkout actions/reusable-workflows repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: "actions/reusable-workflows"
           ref: "main"