Update link to JIRA to ASF instance. Also include information about populating the component field.

Patch by Bret McGuire; reviewed by Bret McGuire, Alexandre Dutra

Author: absurdfarce

README.md

@@ -74,13 +74,13 @@ See the [Cassandra error handling done right blog](https://www.datastax.com/blog
 
 * [Manual](manual/)
 * [API docs]
-* Bug tracking: [JIRA]
+* Bug tracking: [JIRA].  Make sure to select the "Client/java-driver" component when filing new tickets!
 * [Mailing list]
 * [Changelog]
 * [FAQ]
 
 [API docs]: https://docs.datastax.com/en/drivers/java/4.17
-[JIRA]: https://datastax-oss.atlassian.net/browse/JAVA
+[JIRA]: https://issues.apache.org/jira/issues/?jql=project%20%3D%20CASSANDRA%20AND%20component%20%3D%20%22Client%2Fjava-driver%22%20ORDER%20BY%20key%20DESC
 [Mailing list]: https://groups.google.com/a/lists.datastax.com/forum/#!forum/java-driver-user
 [Changelog]: changelog/
 [FAQ]: faq/