Bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v3)

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

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

.github/workflows/docker-build.yml

@@ -33,7 +33,7 @@ jobs:
     runs-on: ${{ inputs.runs-on }}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Build the Docker image
       run: docker build . --file ${{ inputs.dockerfile-path }} --tag ${{ inputs.image-repository }}/${{ inputs.image-name }}:${{ inputs.image-tag }}