ci: update node versions to run test on

Author: saihaj

.github/workflows/validation.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [14, 16, 18, 19]
+        node-version: [18, 20, 22]
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v3