github-action: bump actions/checkout from 5.0.1 to 6.0.1

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.1 to 6.0.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v5.0.1...v6.0.1)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/tag-docker-image.yml

@@ -19,7 +19,7 @@ jobs:
       packages: write
       contents: write
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: Login to DockerHub
         uses: docker/login-action@v3
         with: