build(deps): bump spring-security-core from 4.2.0.RELEASE to 5.5.7

Bumps [spring-security-core](https://github.com/spring-projects/spring-security) from 4.2.0.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@4.2.0.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>

Author: dependabot[bot]

pom.xml

@@ -13,7 +13,7 @@
         <endorsed.dir>${project.build.directory}/endorsed</endorsed.dir>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <org.slf4j-version>1.7.5</org.slf4j-version>
-        <spring.security>4.2.0.RELEASE</spring.security>
+        <spring.security>5.5.7</spring.security>
         <flash.messages>1.0.2</flash.messages>
     </properties>