Bump docker/build-push-action from 5.0.0 to 6.18.0 (#41)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5.0.0 to 6.18.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@0565240...2634353)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: 6.18.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: benjaminskiljan <benjamin.skiljan@flare.network>
Co-authored-by: klemenfn <102049210+klemenfn@users.noreply.github.com>

Author: 3 people

.github/workflows/release-debug.yml

@@ -91,7 +91,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: images/debug
           push: ${{ github.event_name != 'pull_request' }}