Update build.yml

updated node version 12

Author: ramakrishna183

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       # Setup node with version 12.x and NPM registry url
       - uses: actions/setup-node@v1
         with:
-          node-version: "10.0"
+          node-version: "12.0"
       # Run npm install to install project packages
       - run: npm install
       # npm run build to build the project