Update eventtypes.conf

Added missing eventtypes

Author: derkkila

github_app_for_splunk/default/eventtypes.conf

@@ -61,3 +61,9 @@ search = `github_source` sourcetype=GithubEnterpriseServerAuditLog app=* authent
 
 [github_fork]
 search = `github_json` is_fork="true" src_user_type=User
+
+[github_json_change_events]
+search = index=github action=* repo=*
+
+[github_workflow_change]
+search = index=github (workflow_run.event=* workflow_run.name=* workflow_run.head_commit.author.name=* workflow_run.head_repository.full_name=*)