deps: Downgrade the JRuby version

It has been observed that there is a slight performance decrease when
generating PDF reports with JRuby 10.x. Since there are currently no
specific reasons to move to version 10, downgrade to the most recent
9.x version until newer 10.x versions fix the issue.

Signed-off-by: Oliver Heger <[email protected]>

Author: oheger-bosch

gradle/libs.versions.toml

@@ -34,7 +34,7 @@ jakartaMail = "2.0.2"
 jerseyCommon = "4.0.0"
 jgit = "7.4.0.202509020913-r"
 jiraRestClient = "7.0.1"
-jruby = "10.0.2.0"
+jruby = "9.4.14.0"
 jslt = "0.1.14"
 jsonSchemaValidator = "1.5.9"
 kaml = "0.104.0"