fix(deps): update dependency org.springframework:spring-context to v6 [security]

Author: renovate[bot]

pom.xml

@@ -42,7 +42,7 @@
     <spring-security-portlet-contrib.version>1.2.1</spring-security-portlet-contrib.version>
     <spring-security.version>3.1.3.RELEASE</spring-security.version>
     <spring-ws.version>2.4.0.RELEASE</spring-ws.version>
-    <spring.version>3.2.15.RELEASE</spring.version>
+    <spring.version>6.0.0</spring.version>
     <spock.version>0.7-groovy-2.0</spock.version>
     <tomcat-jdbc.version>7.0.37</tomcat-jdbc.version>