🌱(deps): Bump docker/build-push-action

Bumps the all-gha-deps group with 1 update: [docker/build-push-action](https://github.com/docker/build-push-action).


Updates `docker/build-push-action` from 5 to 6
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5...v6)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-gha-deps
...

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

.github/workflows/docker_build.yml

@@ -9,10 +9,10 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
     - name: Build leaf_validator
-      uses: docker/build-push-action@v5
+      uses: docker/build-push-action@v6
       with:
         context: "{{defaultContext}}:deploy/github/log/leaf_validator"
     - name: Build sequence_and_integrate
-      uses: docker/build-push-action@v5
+      uses: docker/build-push-action@v6
       with:
         context: "{{defaultContext}}:deploy/github/log/sequence_and_integrate"