Update static.yml

Author: LenxyLee

.github/workflows/static.yml

@@ -36,7 +36,7 @@ jobs:
         with:
           node-version: '24'
       - name: Cache NPM dependencies
-        uses: actions/cache@v6
+        uses: actions/cache@v4
         with:
           path: node_modules
           key: ${{ runner.OS }}-npm-cache