Bump spring-security-core from 4.0.4.RELEASE to 5.5.7 in /src/services

Bumps [spring-security-core](https://github.com/spring-projects/spring-security) from 4.0.4.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@4.0.4.RELEASE...5.5.7)

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

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

src/services/pom.xml

@@ -35,7 +35,7 @@
         <activemq-version>5.3.0.4-fuse</activemq-version>
 
         <spring-version>4.2.5.RELEASE</spring-version>
-        <spring-security-version>4.0.4.RELEASE</spring-security-version>
+        <spring-security-version>5.5.7</spring-security-version>
 
         <camel-version>1.6.1.2-fuse</camel-version>