switch to gamma

Author: leigaol

plugins/amazonq/src/main/resources/META-INF/plugin.xml

@@ -85,7 +85,7 @@
 
     <extensions defaultExtensionNs="com.intellij">
         <registryKey key="amazon.q.endpoint" description="Endpoint to use for Amazon Q"
-                     defaultValue="https://rts.alpha-us-west-2.codewhisperer.ai.aws.dev/" restartRequired="true"/>
+                     defaultValue="https://rts.gamma-us-west-2.codewhisperer.ai.aws.dev/" restartRequired="true"/>
         <registryKey key="inline.completion.rem.dev.use.rhizome" description="Defined by IntelliJ. Used for Amazon Q to display suggestions on remote."
                      defaultValue="false" restartRequired="true"/>
     </extensions>