Bump spring-security-bom from 5.7.2 to 5.7.3

Bumps [spring-security-bom](https://github.com/spring-projects/spring-security) from 5.7.2 to 5.7.3.
- [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@5.7.2...5.7.3)

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

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

Author: dependabot[bot]

build.gradle

@@ -27,7 +27,7 @@ buildscript {
 
         //Libraries
         webauthn4jVersion = '0.20.2.RELEASE'
-        springSecurityVersion = '5.7.2'
+        springSecurityVersion = '5.7.3'
         hibernateValidatorVersion = '6.2.4.Final'
         thymeleafVersion = '3.0.4.RELEASE'
         modelMapperVersion = '3.1.0'