Update cluster variables for rag-llm-gitops

Author: Github Actions

modules/rag-llm-gitops/metadata-rag-llm-gitops.adoc

@@ -3,7 +3,7 @@
 :metadata_version: 1.0
 :name: rag-llm-gitops
 :pattern_version: 1.0
-:display_name: RAG LLM Gitops
+:display_name: AI Generation with LLM and RAG
 :repo_url: https://github.com/validatedpatterns/rag-llm-gitops
 :docs_repo_url: https://github.com/validatedpatterns/docs
 :issues_url: https://github.com/validatedpatterns/rag-llm-gitops/issues