chore: only run CI on latest Node LTS

Author: rossng

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        node-version: [18, 20, 22]
+        node-version: [22]
 
     runs-on: ${{ matrix.os }}