chore: use official setup-node with x86 support

actions/setup-node#194

Author: aminya

.github/workflows/CI.yml

@@ -5,9 +5,6 @@ on:
     branches:
       - master
 
-env:
-  ACTIONS_ALLOW_UNSECURE_COMMANDS: true
-
 jobs:
   Test:
     if: "!contains(github.event.head_commit.message, '[skip ci]')"
@@ -57,10 +54,10 @@ jobs:
           echo ::set-env name=CXX::clang++
 
       - name: Install Node
-        uses: aminya/setup-node@x86
+        uses: actions/setup-node@v2.1.3
         with:
           node-version: ${{ matrix.node_version }}
-          node-arch: ${{ matrix.node_arch }}
+          architecture: ${{ matrix.node_arch }}
 
       - name: Install dependencies and build
         run: npm install