chore(ci)(deps): bump docker/build-push-action from 6 to 7

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6 to 7.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v6...v7)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/agent-runner-docker.yml

@@ -35,7 +35,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build and push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: contrib/backend/agent-runner
           push: true

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

@@ -71,7 +71,7 @@ jobs:
           echo "name=ghcr.io/${OWNER_LC}/t27-vivado" >> "$GITHUB_OUTPUT"
 
       - name: Build and push image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: infra/vivado-docker
           file: infra/vivado-docker/Dockerfile

.github/workflows/deploy-api.yml

@@ -50,7 +50,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build and push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: contrib/backend/api
           push: true

.github/workflows/sandbox-docker.yml

@@ -35,7 +35,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build and push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: contrib/backend/agent-runner
           push: true