feat(create-test-action): bump actions/cache to v2 (#10)

Author: oscard0m

lib/create-test-action.js

@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-node@v2
         with:
           node-version: \${{ matrix.node_version }}
-      - uses: actions/cache@v1
+      - uses: actions/cache@v2
         with:
           path: ~/.npm
           key: \${{ runner.os }}-node-\${{ hashFiles('**/package-lock.json') }}