turn on logging in quartz to watch for connection allocation (#22607)

resources/log4j2.xml

@@ -28,6 +28,7 @@
     <Logger name="metabase.server.middleware" level="DEBUG"/>
     <Logger name="metabase.query-processor.async" level="DEBUG"/>
     <Logger name="com.mchange" level="ERROR"/>
+    <Logger name="org.quartz" level="INFO"/>
     <Logger name="liquibase" level="ERROR"/>
 
     <Root level="WARN">