chore(deps): 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] <support@github.com>

Author: dependabot[bot]

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

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Full history for better analysis
 
@@ -87,7 +87,7 @@ jobs:
     needs: quality # Only run if quality checks pass
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: 📦 Setup Node.js
         uses: actions/setup-node@v4
@@ -134,7 +134,7 @@ jobs:
         node-version: [18, 20, 22] # Test on multiple Node versions
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: 📦 Setup Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4

.github/workflows/ci-dependabot-auto-merge.yml

@@ -15,7 +15,7 @@ jobs:
         if: github.actor == 'dependabot[bot]'
         steps:
             - name: Checkout code
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
 
             - name: Setup Node.js
               uses: actions/setup-node@v4

.github/workflows/ci-dependency-check.yml

@@ -10,7 +10,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Checkout code
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
 
             - name: Setup Node.js
               uses: actions/setup-node@v4

.github/workflows/ci-semantic-release.yml

@@ -19,7 +19,7 @@ jobs:
         steps:
             # Step 1: Check out the full Git history
             - name: Checkout
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
               with:
                   fetch-depth: 0
                   token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release-master.yml

@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Checkout develop
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.GH_PAT || secrets.GITHUB_TOKEN }}