Bump spring-security-core in /ambari-infra-manager

Bumps [spring-security-core](https://github.com/spring-projects/spring-security) from 5.1.2.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](https://github.com/spring-projects/spring-security/compare/5.1.2.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>
diff --git a/ambari-infra-manager/pom.xml b/ambari-infra-manager/pom.xml
index d821cd5..4cba22a 100644
--- a/ambari-infra-manager/pom.xml
+++ b/ambari-infra-manager/pom.xml
@@ -31,7 +31,7 @@
 
   <properties>
     <spring.version>5.1.3.RELEASE</spring.version>
-    <spring.security.version>5.1.2.RELEASE</spring.security.version>
+    <spring.security.version>5.5.7</spring.security.version>
     <spring.ldap.version>2.3.2.RELEASE</spring.ldap.version>
     <jersey.version>2.27</jersey.version>
     <jetty.version>9.4.11.v20180605</jetty.version>