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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -58,7 +58,7 @@ jobs:
         run: |
           cp .env.example .env
       - name: Build and export to Docker
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           load: true

.github/workflows/release.yml

@@ -115,7 +115,7 @@ jobs:
           cp .env.example .env
 
       - name: Build and load
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           load: true
@@ -135,7 +135,7 @@ jobs:
 
       - name: Build and push by digest
         id: build
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           platforms: ${{ matrix.platform }}
           context: .