Java: add summary to change note

Author: Jami Cogswell

java/ql/src/change-notes/2025-07-17-spring-actuators-config-promo.md

@@ -1,4 +1,4 @@
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 category: newQuery
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-* The query `java/insecure-spring-actuator-config` has been promoted from experimental to the main query pack as `java/spring-boot-exposed-actuators-config`. Its results will now appear by default. This query was originally submitted as an experimental query [by @luchua-bc](https://github.com/github/codeql/pull/5384).
+* The query `java/insecure-spring-actuator-config` has been promoted from experimental to the main query pack as `java/spring-boot-exposed-actuators-config`. Its results will now appear by default. This query detects exposure of Spring Boot actuators through configuration files. It was originally submitted as an experimental query [by @luchua-bc](https://github.com/github/codeql/pull/5384).