Move change note to new location

Author: atorralba

java/change-notes/2021-11-04-log-injection-query.md renamed to java/ql/lib/change-notes/2021-11-04-log-injection-query.md

@@ -1,2 +1,4 @@
-lgtm,codescanning
+---
+category: newQuery
+---
 * The query "Log Injection" (`java/log-injection`) has been promoted from experimental to the main query pack. Its results will now appear by default. The query was originally [submitted as an experimental query by @porcupineyhairs and @dellalibera](https://github.com/github/codeql/pull/5099).