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/codeql.yml

@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Acquire sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6

.github/workflows/docs.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Acquire sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6

.github/workflows/nightly.yml

@@ -40,7 +40,7 @@ jobs:
     steps:
 
       - name: Acquire sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Run CrateDB
         run: docker compose -f tests/docker-compose.yml up -d

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     if: startsWith(github.event.ref, 'refs/tags')
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6

.github/workflows/tests.yml

@@ -53,7 +53,7 @@ jobs:
     steps:
 
       - name: Acquire sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Run CrateDB
         run: docker compose -f tests/docker-compose.yml up -d