Update CHANGELOG for 2.10.1 SR changes (#1446)

Author: rayokota

CHANGELOG.md

@@ -8,6 +8,16 @@ confluent-kafka-go is based on librdkafka v2.10.1, see the
 [librdkafka v2.10.1 release notes](https://github.com/confluentinc/librdkafka/releases/tag/v2.10.1)
 for a complete list of changes, enhancements, fixes and upgrade considerations.
 
+### Enhancements
+
+* Support for schema id in header (#1431)
+* Use hamba encoder schema function if available (#1440)
+ 
+### Fixes
+
+* Prevent panic when schemaregistry is configured without an auth provider (#1424)
+* Fix NPE in CSFLE executor (#1432)
+
 
 ## v2.10.0