fix old actions deps

Author: morganchen12

.github/workflows/test.yml

@@ -15,13 +15,13 @@ jobs:
         node-version:
           - 14.x
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@vlatest
+      - uses: actions/setup-node@vlatest
         with:
           node-version: ${{ matrix.node-version }}
 
       - name: Cache npm
-        uses: actions/cache@v1
+        uses: actions/cache@latest
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ matrix.node-version }}-${{ hashFiles('**/package.json') }}