gh: run with lts node version

.github/workflows/build.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: lts/*
       - run: npm ci
       - run: npm run jslint
       - run: docker pull drachtio/sipp