actions: cache: use separate jobs for restore and save

actions/example-cache/.forgejo/workflows/test.yml

@@ -1,7 +1,7 @@
 on: [push]
 
 jobs:
-  build:
+  save-cache:
     runs-on: docker
     container:
       image: code.forgejo.org/oci/node:20-bookworm
@@ -29,9 +29,12 @@ jobs:
             /usr/local/bin/something
           key: ${{ steps.cachestep1.outputs.cache-primary-key }}
 
-      - name: remove something
-        run: rm /usr/local/bin/something
-
+  restore-cache:
+    runs-on: docker
+    needs: [save-cache]
+    container:
+      image: code.forgejo.org/oci/node:20-bookworm
+    steps:
       - name: cache restore
         id: cachestep2
         uses: https://data.forgejo.org/actions/cache/restore@v4