Bump docker/build-push-action from 6.14.0 to 6.15.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.14.0 to 6.15.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@0adf995...471d1dc)

---
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]>

Author: dependabot[bot]

.github/workflows/devcontainer-docker-image.yml

@@ -48,7 +48,7 @@ jobs:
 
     - name: Build and push Docker image
       id: docker_build
-      uses: docker/build-push-action@0adf9959216b96bec444f325f1e493d4aa344497
+      uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4
       with:
         context: .
         file: scripts/dev.Dockerfile

.github/workflows/docker-image.yml

@@ -36,7 +36,7 @@ jobs:
               type=semver,pattern={{major}}.{{minor}}
 
       - name: Build and load image
-        uses: docker/build-push-action@0adf9959216b96bec444f325f1e493d4aa344497
+        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4
         with:
           context: .
           file: scripts/Dockerfile
@@ -48,7 +48,7 @@ jobs:
            docker run --rm ${{ env.CONTAINER_NAME }} conda run -n pymc-dev python -c 'import pymc;print(pymc.__version__)'
 
       - name: Build and push
-        uses: docker/build-push-action@0adf9959216b96bec444f325f1e493d4aa344497
+        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4
         with:
           context: .
           push: true