⬆️ ci: 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/build.yml

@@ -11,7 +11,7 @@ jobs:
     environment: auto-build
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Install uv
       uses: astral-sh/setup-uv@v6
     - name: Set up Python

.github/workflows/code-check-identified.yml

@@ -20,7 +20,7 @@ jobs:
         secret_key: ${{ secrets.OSC_SECRET_KEY }}
         region: ${{ secrets.OSC_REGION }}
     - name: ⬇️ Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Setup toolchain
       uses: ./.github/actions/setup-test
     - name: 🧪 Run integration tests

.github/workflows/code-check.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
     - name: ⬇️ Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Setup toolchain
       uses: ./.github/actions/setup-test
     - name: Run integration tests

.github/workflows/codeql.yml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4

.github/workflows/cred-scan.yml

@@ -11,7 +11,7 @@ jobs:
   cred-scan:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Scan credentials
       uses: outscale/cred-scan@main
       with:

.github/workflows/github-sanity-scan.yml

@@ -11,7 +11,7 @@ jobs:
   github-sanity-scan:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Github sanity scanner
       uses: outscale/github-sanity-scan@main
       with: