chore(deps): bump docker/build-push-action from 2.5.0 to 6.15.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2.5.0 to 6.15.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v2.5.0...471d1dc)

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

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

Author: dependabot[bot]

.github/workflows/build_docker.yml

@@ -37,7 +37,7 @@ jobs:
         uses: docker/setup-buildx-action@0d103c3126aa41d772a8362f6aa67afac040f80c
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
+        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4
         with:
           context: .
           push: true

.github/workflows/release.yml

@@ -59,7 +59,7 @@ jobs:
           git tag ${{ env.NEW_VERSION }}
           git push origin master
       - name: Build docker image
-        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4
         with:
           context: .
           push: false
@@ -73,7 +73,7 @@ jobs:
         env:
           POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_TOKEN }}
       - name: Push docker image
-        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4
         with:
           context: .
           push: false