ci: rename validate job to build and update node version matrix

Author: avarayr

.github/workflows/ci.yml

@@ -7,11 +7,11 @@ on:
     branches: [main, develop]
 
 jobs:
-  validate:
+  build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18, 20]
+        node-version: [20, 22]
 
     steps:
       - name: Checkout code