fix: update CI workflow files

Author: gr2m

lib/create-release-action.js

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: "12.x"
       - uses: actions/cache@v1

lib/create-test-action.js

@@ -23,7 +23,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js \${{ matrix.node_version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2
         with:
           node-version: \${{ matrix.node_version }}
       - uses: actions/cache@v1

lib/create-update-prettier-action.js

@@ -10,14 +10,21 @@ on:
   push:
     branches:
       - "dependabot/npm_and_yarn/prettier-*"
+  workflow_dispatch: {}
 jobs:
   update_prettier:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           version: 12
+      - uses: actions/cache@v1
+        with:
+          path: ~/.npm
+          key: \${{ runner.os }}-node-\${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            \${{ runner.os }}-node-
       - run: npm ci
       - run: npm run lint:fix
       - uses: gr2m/[email protected]