chore(deps)(deps): Bump docker/build-push-action from 6 to 7 (#332)

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

Author: dependabot[bot]

.github/workflows/build-backend-image.yml

@@ -39,7 +39,7 @@ jobs:
             type=raw,value=latest,enable={{is_default_branch}}
 
       - name: Build and push backend image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           file: ./Dockerfile

.github/workflows/build-frontend-image.yml

@@ -68,7 +68,7 @@ jobs:
             type=raw,value=latest,enable={{is_default_branch}}
 
       - name: Build and push frontend image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./frontend
           file: ./frontend/Dockerfile