Add UAA known issue

- see details: cloudfoundry/uaa#2789

[#187240345]

runtime-rn.html.md.erb

@@ -21,6 +21,7 @@ Because VMware uses the Percona Distribution for MySQL, expect a time lag betwee
 
 **Release Date:** 03/06/2024
 
+* **[Known Issue]** When upgrading to this release, UAA might return an error if you issue a user deletion requests
 * **[Feature]** Add support for ESM updates on cflinuxfs4 stack
 * Bump backup-and-restore-sdk to version `1.19.3`
 * Bump cf-cli to version `1.60.0`
@@ -406,6 +407,7 @@ Because VMware uses the Percona Distribution for MySQL, expect a time lag betwee
 
 **Release Date:** 03/04/2024
 
+* **[Known Issue]** When upgrading to this release, UAA might return an error if you issue a user deletion requests
 * **[Feature]** Add support for NTLM authentication in Gorouter
 * **[Feature]** Bump UAA major version to 77
 * **[Feature]** CAPI Enable legacy MD5 buildpack paths