Update Unupdated-dependencies.md

Author: LowriJenkins

doc/processes/dev_processes/Unupdated-dependencies.md

@@ -15,6 +15,7 @@ This page lists some dependencies which we are not updating for various reasons:
 | Opal | 1.0.0 | ? | Project has been deprecated and moved into eclipse Nebula visualization widgets. Update process appears to be non-trivial. |
 | `com.sun.istack.commons-runtime` | `3.x` | `4.x` | Causes `javax`/`jakarta` conflicts with `javax.activation`. |
 | `activemq` | `5.x` | `6.x` | v6 uses `jakarta` packages, CSS needs `javax` packages. Need to update CSS to resolve. |
+| `Mysql connector-j` | 8.4 | 9.4 | we use LTS releases of mysql and 8.4 is most recent LTS. keeping this version in step with mysql |
 
 ## EPICS