fix: update issues.adoc to use GitHub Issues instead of Jira

Author: GaneshPatil7517

src/site/content/issues.adoc

@@ -2,24 +2,33 @@
 :jbake-date: 2010-03-18 00:00:00
 :jbake-type: page
 :jbake-status: published
-:jbake-tags: documentation, support, community, issues, bugs
+:jbake-tags: issues, bugs, bug-tracking, support
+:jbake-description: Report bugs, request features, and track issues for Apache Shiro using GitHub Issues.
 :idprefix:
 :icons: font
 
-Apache Shiro uses Atlassian Jira for tracking tasks, feature requests, bugs, and other issues related to the project development.
+Apache Shiro uses https://github.com/apache/shiro/issues[GitHub Issues] for bug reports, feature requests, and task tracking.
+
+For questions, ideas, and community discussions, please use https://github.com/apache/shiro/discussions[GitHub Discussions].
 
 == Usage Guidelines
 
-Jira is provided as a Shiro software development resource.
-It is meant to be for managing bugs, tasks and improvements in the software itself - it is not a support portal to ask for advice or help.
-For community advice and help in using Apache Shiro, please visit the link:/support.html[Support] page.
+GitHub Issues is provided as a Shiro software development resource.
+It is meant for reporting bugs, requesting features, and tracking improvements in the software itself - it is not a support portal to ask for advice or help.
+For community advice and help in using Apache Shiro, please visit the link:/support.html[Support] page or use https://github.com/apache/shiro/discussions[GitHub Discussions].
 
-*Prior to using Jira, we ask that:*
+*Prior to opening an issue, we ask that:*
 
 * You do your due diligence to ensure a suspected error is actually a bug.
 * You search the issue tracker to ensure what you want to report has not already been reported by someone else.
 * If your problem is actually a bug, we would appreciate it if you could attach a simple JUnit test case that allows us to repeat the problem, so we can fix it as fast as possible.
 * If a unit test is not available (please really try to make one!), attach a stack trace and Shiro's TRACE or DEBUG log output.
-* If you've already fixed the problem, please submit a patch, and we'll likely include it in the next release.
+* If you've already fixed the problem, please submit a pull request, and we'll likely include it in the next release.
+
+https://github.com/apache/shiro/issues[Click here to visit the Apache Shiro GitHub Issues tracker].
+
+== JIRA (Legacy)
+
+JIRA is retained for archival purposes only and is no longer used for new issues.
 
-https://issues.apache.org/jira/browse/SHIRO[Click here to visit the Apache Shiro Jira issue tracker].
+https://issues.apache.org/jira/browse/SHIRO[Click here to visit the legacy Apache Shiro JIRA issue tracker].