Added resolved issue to RS 7.22 GA release notes

Author: rrelledge

content/operate/rs/release-notes/rs-7-22-releases/rs-7-22-0-28.md

@@ -198,6 +198,8 @@ The following table shows which Redis modules are compatible with each Redis dat
 
 - RS155261: Fixed an issue where the CRDB syncer could fail after an upgrade due to `SASL negotation failed` errors.
 
+- RS153478: Fixed an issue that could cause inconsistent memory settings across shards and out-of-memory errors.
+
 ## Version changes
 
 - The fully qualified domain name is now validated using the FQDN library instead of a regex during cluster creation.