CHANGELOG.md updates for apache#7630

CHANGELOG.md

@@ -67,6 +67,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Fixed
 - [#4393](https://github.com/apache/trafficcontrol/issues/4393) *Traffic Ops* Fixed the error code and alert structure when TO is queried for a delivery service with no ssl keys.
+- [#7631] (https://github.com/apache/trafficcontrol/pull/7631) *Traffic Ops* Fixes Phys_Location V5 apis to respond with RFC3339 date/time Format
 - [#7623] (https://github.com/apache/trafficcontrol/pull/7623) *Traffic Ops* Removed TryIfModifiedSinceQuery from servicecategories.go and reused from ims.go
 - [#7608](https://github.com/apache/trafficcontrol/pull/7608) *Traffic Monitor* Use stats_over_http(plugin.system_stats.timestamp_ms) timestamp field to calculate bandwidth for TM's caches.
 - [#7612](https://github.com/apache/trafficcontrol/pull/7612) *Traffic Ops* Fixes Divisions V5 apis to respond with RFC3339 date/time Format