ci(code-check): fix incorrect action version of cache

Author: akinoccc

.github/workflows/code-check.yml

@@ -74,7 +74,7 @@ jobs:
           version: 8.15.4
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: node_modules
           key: node_modules-${{ hashFiles('**/pnpm-lock.yaml') }}