Update build-test.yml

Author: maxim-lobanov

.github/workflows/build-test.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Setup node 12
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2
         with:
           node-version: 12.x
       - run: npm ci