chore: Update CI to checkout certificates

.github/workflows/release.yml

@@ -26,6 +26,14 @@ jobs:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+     - name: Checkout ca-certs
+       uses: actions/checkout@v4
+       with:
+         repository: guisea/tff-trusted-ca-certs
+         token: ${{ secrets.G_RO_PAT }}
+         ref: master
+         path: certs
+
      - name: Build and push
        uses: docker/build-push-action@v6
        with:
@@ -33,6 +41,7 @@ jobs:
            linux/amd64,
            linux/arm64
          push: true
+         context: .
          tags: >
            ${{ secrets.DOCKERHUB_USERNAME }}/ubuntu:act_gitea-latest,
            ${{ secrets.DOCKERHUB_USERNAME }}/ubuntu:act_gitea-${{ env.GITHUB_REF_NAME }}