Updates to v4.6.4 release notes

Author: Jonathan S. Katz

docs/content/releases/4.6.4.md

@@ -12,7 +12,8 @@ The PostgreSQL Operator is released in conjunction with the [Crunchy Container S
 PostgreSQL Operator 4.6.4 release includes the following software versions upgrades:
 
 - [PostgreSQL](https://www.postgresql.org) is updated to 13.4, 12.8, 11.13, 10.18, and 9.6.23.
-- PL/Tcl is now included in the PostGIS (`crunchy-postgres-gis-ha`) container.
+- [pgaudit_analyze](https://github.com/pgaudit/pgaudit_analyze) is now at 1.0.8.
+- [set_user](https://github.com/pgaudit/set_user) is now at version 2.0.1.
 
 ## Changes