chore(gh-actions): add git actions

Author: Natalie

.github/workflows/run-test.yml

@@ -19,11 +19,10 @@ jobs:
     steps:
     - run: apt-get update && apt-get install -y git-core
     - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+    - name: Use Git Actions
+      uses: srt32/[email protected]
       with:
-        node-version: ${{ matrix.node-version }}
-    - run: git submodule update --recursive --init
+        args: git submodule update --recursive --init
     - run: npm install
     - run: ./scripts/wrap.js
     - run: ./scripts/emcbuild.sh