update node versions we run ci against

Author: murban

.github/workflows/ci.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 15.x]
+        node-version: [16.x, 17.x, 18.x]
     steps:
       - uses: actions/checkout@v3
       - name: Verify Node version ${{ matrix.node-version }}