chore: update node-version format in CI workflow to array syntax

Author: so-kaushal

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: '24.13.0'
+        node-version: ['24.13.0']
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps: