ci(github-actions): 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](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] <[email protected]>

Author: dependabot[bot]

.github/workflows/commitlint.yml

@@ -15,7 +15,7 @@ jobs:
   commitlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: wagoid/commitlint-github-action@b948419dd99f3fd78a6548d48f94e3df7f6bf3ed # v6.2.1

.github/workflows/coverage.yml

@@ -27,7 +27,7 @@ jobs:
           - server
     steps:
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup Node.js
       uses: actions/setup-node@v6

.github/workflows/deploy-vitepress-docs.yaml

@@ -30,7 +30,7 @@ jobs:
             GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         steps:
             - name: Checkout
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
               with:
                   fetch-depth: 0
             - name: Setup Node
@@ -66,7 +66,7 @@ jobs:
               working-directory: internal/documentation
               run: npm run schema-generate-gh-pages
             - name: Checkout gh-pages
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
               with:
                   ref: gh-pages
                   path: gh-pages

.github/workflows/github-ci.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup Node.js
       uses: actions/setup-node@v6

.github/workflows/release-please.yml

@@ -16,7 +16,7 @@ jobs:
     outputs:
       releases_created: ${{ steps.release.outputs.releases_created }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Node.js LTS
         uses: actions/setup-node@v6
@@ -67,7 +67,7 @@ jobs:
       matrix:
         package: [logger, fs, builder, server, project]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Node.js LTS
         uses: actions/setup-node@v6
@@ -88,7 +88,7 @@ jobs:
     needs: [release-please, publish-packages]
     if: needs.release-please.outputs.releases_created == 'true'
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Node.js LTS
         uses: actions/setup-node@v6

.github/workflows/reuse-compliance.yml

@@ -27,7 +27,7 @@ jobs:
           - "packages/project"
           - "packages/server"
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     # Check each package if compliance is correctly set up.
     # Each one of these packages would be published separately.
@@ -43,7 +43,7 @@ jobs:
     needs: [packages-compliance-check]
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: REUSE check for full repository
       uses: fsfe/reuse-action@v6

.github/workflows/security-audit.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout '${{ matrix.branch }}' branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ matrix.branch }}
 

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup Node.js
       uses: actions/setup-node@v6