Update compatibility matrix for 5.3.0-post branch
@@ -393,7 +393,7 @@ $ mvn package # Packages the application examples into a standalone jar
| Branch (this repo) | Confluent Platform | Apache Kafka |
| ----------------------------------------|--------------------|-------------------|
-| [5.3.x](../../../tree/5.3.x/)\* | 5.3.0-SNAPSHOT | 2.3.0-SNAPSHOT |
+| [5.3.0-post](../../../tree/5.3.0-post/) | 5.3.0 | 2.3.0 |
| [5.2.2-post](../../../tree/5.2.2-post/) | 5.2.2 | 2.2.1 |
| [5.2.1-post](../../../tree/5.2.1-post/) | 5.2.1 | 2.2.1 |
| [5.1.0-post](../../../tree/5.1.0-post/) | 5.1.0 | 2.1.0 |
