Docker cache

via https://github.com/marketplace/actions/docker-cache

.github/workflows/build.yml

@@ -8,6 +8,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+      - name: Docker Cache
+        uses: ScribeMD/docker-cache@0.3.3
+        with:
+          key: docker-${{ runner.os }}
       - name: Use Node.js 17
         uses: actions/setup-node@v3
         with:
@@ -21,8 +25,6 @@ jobs:
         uses: ./.github/actions/export-dsn
         with:
           boards: left right
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
       - name: Autoroute PCB
         uses: ./.github/actions/autoroute
         with: