Bump docker/build-push-action from 6.9.0 to 6.10.0 in /.github/workflows

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.9.0 to 6.10.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@4f58ea7...48aba3b)

---
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/workflows/build-ci-service-images.yaml

@@ -44,7 +44,7 @@ jobs:
 
       - name: Build etcd image
         id: docker_build
-        uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
+        uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355 # v6.10.0
         with:
           context: ${{ github.workspace }}
           file: .github/services/Dockerfile.etcd

.github/workflows/build-usage-image.yaml

@@ -24,7 +24,7 @@ jobs:
         with:
           registry-type: public
       # Build and publish container image on ECR.
-      - uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
+      - uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355 # v6.10.0
         with:
           context: "examples/teleport-usage"
           tags: public.ecr.aws/gravitational/teleport-usage:${{ steps.version.outputs.version }}