Bump actions/checkout from 5 to 6 in the all group

Bumps the all 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: all
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/artifact-evaluation.yml

@@ -14,7 +14,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: "recursive"
 
@@ -46,7 +46,7 @@ jobs:
         claimnr: [1,2,3,4,5,6,7,8,9]
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download artifact
         uses: actions/download-artifact@v6

.github/workflows/artifact.yml

@@ -21,7 +21,7 @@ jobs:
           echo "IMAGE_ID=ghcr.io/$REPO_OWNER/${{ env.IMAGE_NAME }}" >> $GITHUB_ENV
 
       - name: Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: "recursive"