chore: route CI alerts to sdk-bots channel (#334)

Author: michaelphamcf

catalog-info.yaml

@@ -7,6 +7,7 @@ metadata:
   annotations:
     github.com/project-slug: contentful/contentful.java 
     contentful.com/service-tier: "4"
+    contentful.com/ci-alert-slack: sdk-bots
   tags:
     - tier-4
 spec: