Remove node 16 from github actions

Author: pdziewa

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [16.x, 18.x, 19.x, 20.x]
+        node-version: [18.x, 19.x, 20.x]
 
     steps:
       - uses: actions/checkout@v4