chore: Remove Node 14.x from CI

Author: dmaccormack

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        node-version: [14.x, 16.x, 18.x]
+        node-version: [16.x, 18.x, 20.x]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Node.js  ${{ matrix.node-version }}