update github pipeline to use matching gradle version

Author: cmcgroarty

.github/workflows/build-simulate-robot.yaml

@@ -32,7 +32,7 @@ jobs:
       # download and cache gradle
       - uses: gradle/actions/setup-gradle@v3
         with:
-          gradle-version: 8.5
+          gradle-version: 8.8
       # Grant execute permission for gradlew
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew