test: update CI test workflow to use node 20 and 22 (#517)

Author: akudev

.github/workflows/ci.yml

@@ -17,8 +17,8 @@ jobs:
     strategy:
       matrix:
         node_version:
-          - 18.x
           - 20.x
+          - 22.x
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4