Java: update change note to mention removal from Community Packs

Author: Jami Cogswell

java/ql/src/change-notes/2025-02-24-spring-boot-actuators-promo.md

@@ -1,4 +1,4 @@
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 category: newQuery
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-* The query `java/spring-boot-exposed-actuators` has been promoted from experimental to the main query pack. Its results will now appear by default. This query was originally submitted as an experimental query [by @ggolawski](https://github.com/github/codeql/pull/2901).
+* The query `java/spring-boot-exposed-actuators` has been promoted from experimental to the main query pack. Its results will now appear by default, and it will be removed from the [CodeQL Community Packs](https://github.com/GitHubSecurityLab/CodeQL-Community-Packs). This query was originally submitted as an experimental query [by @ggolawski](https://github.com/github/codeql/pull/2901).