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

Bumps [org.springframework.security:spring-security-core](https://github.com/spring-projects/spring-security) from 6.1.2 to 6.1.5.
- [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@6.1.2...6.1.5)

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

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle.kts

@@ -26,7 +26,7 @@ val javaxTransactionApiVersion = "1.3"
 val assertKVersion = "0.27.0"
 val thumbnailatorVersion = "0.4.20"
 val commonsTextVersion = "1.11.0"
-val springSecurityVersion = "6.1.2"
+val springSecurityVersion = "6.1.5"
 val mockitoVersion = "4.1.0"
 val h2Version = "2.2.224"