Merge pull request #689 from tswfi/fix_ci

use actions/cache v4

Author: nicosomb

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Cache Node Directory
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}