Add yarn cache (test)

Author: SleepyLeslie

.github/workflows/package.yml

@@ -65,6 +65,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
+          cache: yarn
 
       - name: Install dependencies
         run: yarn install --network-timeout 300000