Bump actions/cache (#1662)

See https://github.blog/changelog/2024-09-16-notice-of-upcoming-deprecations-and-changes-in-github-actions-services/ for details.

Author: morganchen12

Diff for: .github/workflows/test.yaml

@@ -39,7 +39,7 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
       - name: Cache npm
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ matrix.node-version }}-${{ hashFiles('**/package-lock.json') }}
@@ -60,7 +60,7 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
       - name: Cache npm
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ matrix.node-version }}-${{ hashFiles('**/package-lock.json') }}