Bump docker/build-push-action from 3.1.1 to 3.2.0 (#33271)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 3.1.1 to 3.2.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](c84f382811...c56af95754)

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

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build-containers.yml

@@ -106,7 +106,7 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Build & Deploy ${{ matrix.dockerfile[0] }}
-        uses: docker/build-push-action@c84f38281176d4c9cdb1626ffafcd6b3911b5d94 # @v2
+        uses: docker/build-push-action@c56af957549030174b10d6867f20e78cfd7debc5 # @v2
         with:
           context: dockerfiles/${{ matrix.dockerfile[0] }}
           platforms: ${{ matrix.dockerfile[1] }}