chore: upload offline npm caches with a Gitea-compatible action

The v4 artifact upload rejected the packed Linux caches.

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitea/workflows/offline-deps.yml

@@ -151,9 +151,27 @@ jobs:
           cp "$RUNNER_TEMP/offline-deps.tar.gz" "$RUNNER_TEMP/offline-deps.tar.gz.sha256" artifact/
 
       - name: Upload archive
-        uses: actions/upload-artifact@v4
+        id: artifact
+        continue-on-error: true
+        uses: actions/upload-artifact@v3
         with:
           name: offline-deps
           path: artifact/
           retention-days: 7
           if-no-files-found: error
+
+      - name: Upload generic package
+        if: steps.artifact.outcome != 'success'
+        env:
+          TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          set -euo pipefail
+          curl --fail-with-body --silent --show-error \
+            -H "Authorization: token ${TOKEN}" \
+            --upload-file artifact/offline-deps.tar.gz \
+            "${GITHUB_API_URL}/packages/gold_land/generic/gold-land-offline-deps/${GITHUB_RUN_ID}/offline-deps.tar.gz"
+          curl --fail-with-body --silent --show-error \
+            -H "Authorization: token ${TOKEN}" \
+            --upload-file artifact/offline-deps.tar.gz.sha256 \
+            "${GITHUB_API_URL}/packages/gold_land/generic/gold-land-offline-deps/${GITHUB_RUN_ID}/offline-deps.tar.gz.sha256"
+          echo "generic package uploaded for run ${GITHUB_RUN_ID}"