Bump lucacome/docker-image-update-checker from 1 to 2

Bumps [lucacome/docker-image-update-checker](https://github.com/lucacome/docker-image-update-checker) from 1 to 2.
- [Release notes](https://github.com/lucacome/docker-image-update-checker/releases)
- [Commits](lucacome/docker-image-update-checker@v1...v2)

---
updated-dependencies:
- dependency-name: lucacome/docker-image-update-checker
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/update-docker-images.yml

@@ -60,7 +60,7 @@ jobs:
           echo "tag=${{ needs.variables.outputs.git_tag }}${dist}" >> $GITHUB_OUTPUT
       - name: Check if update available ${{ matrix.base_image.version }}
         id: update
-        uses: lucacome/docker-image-update-checker@v1
+        uses: lucacome/docker-image-update-checker@v2
         with:
           base-image: ${{ matrix.base_image.version }}
           image: opentracing/nginx-opentracing:${{ steps.dist.outputs.tag }}