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

Bumps [org.springframework.security:spring-security-core](https://github.com/spring-projects/spring-security) from 4.1.5.RELEASE to 5.7.12.
- [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@4.1.5.RELEASE...5.7.12)

---
updated-dependencies:
- dependency-name: org.springframework.security:spring-security-core
  dependency-type: direct:production
...

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

Author: dependabot[bot]

core/pom.xml

@@ -13,7 +13,7 @@
     <properties>
         <hibernate.version>5.2.18.Final</hibernate.version>
         <spring.version>5.3.27</spring.version>
-        <spring.security.version>4.1.5.RELEASE</spring.security.version>
+        <spring.security.version>5.7.12</spring.security.version>
     </properties>
 
     <repositories>