Bump docker/build-push-action in /.github/actions/setup-gear

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5.1.0 to 5.2.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5.1.0...v5.2.0)

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

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

.github/actions/setup-gear/action.yaml

@@ -19,7 +19,7 @@ runs:
         sudo systemctl restart docker
         docker network create gear
     - uses: docker/[email protected]
-    - uses: docker/build-push-action@v5.1.0
+    - uses: docker/build-push-action@v5.2.0
       with:
         context: stack/gear/env/${{ inputs.devenv }}
         tags: stack/gear:${{ inputs.devenv }}