Update spring-cloud-gcp compatible version

Signed-off-by: Joe Wang <[email protected]>

Author: JoeWang1127

start-site/src/main/resources/application.yml

@@ -115,7 +115,7 @@ initializr:
           - compatibilityRange: "[3.3.0,3.4.0-M1)"
             version: 5.11.1
           - compatibilityRange: "[3.4.0,3.5.0-M1)"
-            version: 6.0.1
+            version: 6.1.0
       spring-cloud-services:
         groupId: io.pivotal.spring.cloud
         artifactId: spring-cloud-services-dependencies