build(release): use LTS node version

Author: lirantal

.github/workflows/main.yml

@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1
         with:
-          node-version: '10'
+          node-version: '12'
       - name: install dependencies
         run: yarn install --frozen-lockfile --ignore-engines
       - name: release