One could not hurt

.gitea/workflows/build.yml

@@ -31,9 +31,8 @@ jobs:
         uses: actions/cache@v3 # v3
         with:
           path: /tmp/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-
+          key: docker-buildx-${{ github.sha }}
+          restore-keys: docker-buildx-${{ github.sha }}
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3