Update Description to include Elastic 8.0 info

pom.xml

@@ -289,7 +289,7 @@
                             <title>Kafka Connect Elasticsearch</title>
                             <documentationUrl>https://docs.confluent.io/kafka-connect-elasticsearch/current/index.html</documentationUrl>
                             <description>
-                                The Elasticsearch connector allows moving data from Kafka to Elasticsearch 2.x, 5.x, 6.x, and 7.x. It writes data from a topic in Kafka to an index in Elasticsearch and all data for a topic have the same type.
+                                The Elasticsearch connector allows moving data from Kafka to Elasticsearch 2.x, 5.x, 6.x, 7.x and 8.x. It writes data from a topic in Kafka to an index in Elasticsearch and all data for a topic have the same type.
 
                                 Elasticsearch is often used for text queries, analytics and as an key-value store (use cases). The connector covers both the analytics and key-value store use cases. For the analytics use case, each message is in Kafka is treated as an event and the connector uses topic+partition+offset as a unique identifier for events, which then converted to unique documents in Elasticsearch. For the key-value store use case, it supports using keys from Kafka messages as document ids in Elasticsearch and provides configurations ensuring that updates to a key are written to Elasticsearch in order. For both use cases, Elasticsearch’s idempotent write semantics guarantees exactly once delivery.