fix: update jira interactions

Author: rushilpatel0

docs/integrations/jira.mdx

@@ -38,6 +38,7 @@ Follow these steps to successfully connect Codegen to your Jira workspace:
 
 ### 4. Use Codegen in Your Workflow
 - On any Jira ticket, `@mention` the Codegen user (e.g., `@Codegen`) to assign or notify Codegen about the issue.
+- Alternatively, `assign` the Codegen user to the ticket to trigger Codegen's interaction with the issue.
 - Codegen will interact with the ticket, update statuses, add comments, and link PRs as needed.
 
 ## Capabilities