client: update jav_config url

Author: Adam-

runelite-client/src/main/resources/net/runelite/client/runelite.properties

@@ -11,7 +11,7 @@ runelite.patreon.link=https://www.patreon.com/runelite
 runelite.wiki.troubleshooting.link=https://github.com/runelite/runelite/wiki/Troubleshooting-problems-with-the-client
 runelite.wiki.building.link=https://github.com/runelite/runelite/wiki/Building-with-IntelliJ-IDEA#client-failing-to-start
 runelite.dnschange.link=https://1.1.1.1/dns/#setup-instructions
-runelite.jav_config=https://oldschool.runescape.com/jav_config.ws
+runelite.jav_config=https://oldschool.config.runescape.com/jav_config.ws
 runelite.jav_config_backup=https://static.runelite.net/jav_config.ws
 runelite.pluginhub.url=https://repo.runelite.net/plugins
 runelite.pluginhub.version=${project.version}