Bump org.springframework.security:spring-security-ldap

Bumps [org.springframework.security:spring-security-ldap](https://github.com/spring-projects/spring-security) from 5.8.14 to 5.8.15.
- [Release notes](https://github.com/spring-projects/spring-security/releases)
- [Changelog](https://github.com/spring-projects/spring-security/blob/main/RELEASE.adoc)
- [Commits](spring-projects/spring-security@5.8.14...5.8.15)

---
updated-dependencies:
- dependency-name: org.springframework.security:spring-security-ldap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

dependencies/build.gradle

@@ -64,7 +64,7 @@ dependencies {
 		api "org.slf4j:slf4j-log4j12:1.7.36"
 		api "org.springframework.security:spring-security-config:5.8.14"
 		api "org.springframework.security:spring-security-core:5.8.14"
-		api "org.springframework.security:spring-security-ldap:5.8.14"
+		api "org.springframework.security:spring-security-ldap:5.8.15"
 	}
 }