chore(deps): update docker/build-push-action action to v7 (#20)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/verify.yml

@@ -109,7 +109,7 @@ jobs:
         uses: docker/setup-buildx-action@v4
 
       - name: Build production image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           file: ./Dockerfile
@@ -120,7 +120,7 @@ jobs:
           cache-to: type=gha,mode=max
 
       - name: Build debug image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           file: ./debug.Dockerfile