Bump spring-security-core from 4.1.5.RELEASE to 5.5.7 in /core

Bumps [spring-security-core](https://github.com/spring-projects/spring-security) from 4.1.5.RELEASE to 5.5.7.
- [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...5.5.7)

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

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

core/pom.xml

@@ -13,7 +13,7 @@
     <properties>
         <hibernate.version>5.2.18.Final</hibernate.version>
         <spring.version>5.2.22.RELEASE</spring.version>
-        <spring.security.version>4.1.5.RELEASE</spring.security.version>
+        <spring.security.version>5.5.7</spring.security.version>
     </properties>
 
     <repositories>