Deps: Bump actions/checkout from 5 to 6 in the github-actions group

Bumps the github-actions group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `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
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/ci-python.yml

@@ -16,7 +16,7 @@ jobs:
           - "3.11"
           - "3.12"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install and check with black, pylint and pontos.version
         uses: greenbone/actions/lint-python@v3
         with:
@@ -33,7 +33,7 @@ jobs:
           - "3.11"
           - "3.12"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install python, poetry and dependencies
         uses: greenbone/actions/poetry@v3
         with:
@@ -50,7 +50,7 @@ jobs:
           - "3.11"
           - "3.12"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Run mypy
         uses: greenbone/actions/mypy-python@v3
         with:

.github/workflows/codeql-analysis-python.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4

.github/workflows/container.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Login to GitHub Container Registry
         if: github.event_name != 'pull_request'
         uses: docker/login-action@v3