Prepare to release 3.7.3

Author: xiang17

CHANGELOG.md

@@ -1,4 +1,20 @@
 # CHANGELOG
+## Version 3.7.3 GA (05/28/2025)
+
+### Enhancements
+
+* Smoke test for custom events with OTel API
+  ([#4190](https://github.com/microsoft/ApplicationInsights-Java/pull/4190))
+* Add fix for hyphens in enum values
+  ([#4202](https://github.com/microsoft/ApplicationInsights-Java/pull/4202))
+* Update OpenTelemetry dependencies
+  ([#4177](https://github.com/microsoft/ApplicationInsights-Java/pull/4177))
+
+### Bug fixes
+
+* testing fixes for CodeQL
+  ([#4198](https://github.com/microsoft/ApplicationInsights-Java/pull/4198))
+
 ## Version 3.7.2 GA (04/17/2025)
 
 ### Enhancements