chore(deps): bump actions/checkout from 5 to 6 (#164)

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

Author: dependabot[bot]

.github/workflows/automerge.yml

@@ -13,7 +13,7 @@ jobs:
       repository-projects: write
     if: github.actor == 'dependabot[bot]'
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: gh pr merge ${{ github.event.pull_request.html_url }} --auto --squash
     env:
       GH_TOKEN: ${{ github.token }}

.github/workflows/codeql-analysis.yml

@@ -31,7 +31,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/node.yml

@@ -14,7 +14,7 @@ jobs:
         node-version: [14.x, 16.x, 18.x, 20.x, 22.x]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v6
       with:
@@ -35,7 +35,7 @@ jobs:
       issues: write
       packages: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 22.x