debug: switch to using artifacts with 1 day retention

.github/workflows/main.yml

@@ -16,20 +16,17 @@ jobs:
             -   run: npm ci
             -   run: npm run build --if-present
             -   name: Cache build
-                id: cache
-                uses: LumeWeb/github-action-cache/save@main
+                uses: actions/upload-artifact@v3
                 with:
-                    # npm cache files are stored in `~/.npm` on Linux/macOS
+                    name: cache-${{ github.run_id }}-${{ github.run_attempt }}
                     path: ./
-                    key: cache-${{ github.run_id }}-${{ github.run_attempt }}
     publish:
         runs-on: ubuntu-latest
         needs: build
         steps:
-            -  uses: LumeWeb/github-action-cache/restore@main
+            -  uses: actions/download-artifact@v3
                with:
-                   path: .
-                   key: cache-${{ github.run_id }}-${{ github.run_attempt }}
+                   name: cache-${{ github.run_id }}-${{ github.run_attempt }}
             -   name: Install SSH key
                 uses: shimataro/ssh-key-action@v2
                 with: