use cache/restore for cache look-up

Author: FynnBe

.github/workflows/build.yaml

@@ -35,6 +35,7 @@ jobs:
       - id: cache-key
         run: echo "cache-key=test-${{steps.get-date.outputs.date}}" >> $GITHUB_OUTPUT
       - uses: actions/cache@v4
+      - uses: actions/cache/restore@v4
         id: look-up
         with:
           path: bioimageio_cache