Bump spring-webmvc from 5.2.2.RELEASE to 5.2.4.RELEASE

Bumps [spring-webmvc](https://github.com/spring-projects/spring-framework) from 5.2.2.RELEASE to 5.2.4.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.2.2.RELEASE...v5.2.4.RELEASE)

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

Author: dependabot[bot]

pom.xml

@@ -10,7 +10,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spring-boot.version>2.2.2.RELEASE</spring-boot.version>
-        <spring.version>5.2.2.RELEASE</spring.version>
+        <spring.version>5.2.4.RELEASE</spring.version>
         <java.version>8</java.version>
     </properties>