One could simply not hurt

.gitea/workflows/build.yml

@@ -28,12 +28,10 @@ jobs:
           password: ${{ secrets.DOCKER_TOKEN }}
 
       - name: Cache Docker layers
-        uses: actions/cache@v3 # v3
+        uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 # v3
         with:
           path: /tmp/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-
+          restore-keys: docker-buildx-kon
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3
@@ -46,3 +44,8 @@ jobs:
           tags: git.toast-server.net/toast/kon:main
           cache-from: type=registry,ref=git.toast-server.net/toast/kon:main
           cache-to: type=inline
+
+      - name: Save to cache
+        uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 # v3
+        with:
+          keys: docker-buildx-kon