build: Uplift gradle version used in test workflow to 9.0.0

Signed-off-by: Jade Carino <carino_jade@yahoo.co.uk>

Author: jadecarino

.github/workflows/test.yaml

@@ -67,7 +67,7 @@ jobs:
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
         with:
-          gradle-version: '8.9'
+          gradle-version: 9.0.0
           cache-disabled: true
 
       - name: Install galasactl with Homebrew