fix setup-node on github CI

Author: mansona

.github/workflows/CI.yml renamed to .github/workflows/ci.yml

@@ -17,6 +17,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 12.x
+          cache: yarn
       - run: yarn install --frozen-lockfile --non-interactive
       - run: yarn lint:js
 
@@ -30,8 +34,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
+          cache: yarn
       - run: yarn install --frozen-lockfile --non-interactive
       - run: yarn test
 
@@ -45,8 +51,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
+          cache: yarn
       - run: yarn install --frozen-lockfile --non-interactive
       - run: PREFER_NATIVE=true yarn test
 
@@ -60,8 +68,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
+          cache: yarn
       - run: yarn install --frozen-lockfile --non-interactive
       - run: NATIVE_PROMISE=true yarn test
 
@@ -75,8 +85,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
+          cache: yarn
       - run: yarn install --frozen-lockfile --non-interactive
       - run: yarn run test:node
 
@@ -105,6 +117,7 @@ jobs:
             allow-failure: true
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-node@v4
         with:
           node-version: 12.x
       - name: install dependencies