update cache key

Author: muzahidul-opti

.github/workflows/build.yml

@@ -28,7 +28,7 @@ jobs:
       with:
         java-version: '17'
         distribution: 'temurin'
-        cache: gradle
+        cache: gradle-v2
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: Clean all modules