fix(ci): do not release twice

.github/workflows/release.yml

@@ -6,18 +6,14 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
-    strategy:
-      matrix:
-        node: ["12", "10"]
-
     steps:
       - name: Code Checkout
         uses: actions/checkout@v2
 
       - name: Setup Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: ${{ matrix.node }}
+          node-version: "12"
 
       - name: Install Dependencies
         run: |