Bump spring-beans from 5.2.4.RELEASE to 5.2.20.RELEASE in /ioc1

Bumps [spring-beans](https://github.com/spring-projects/spring-framework) from 5.2.4.RELEASE to 5.2.20.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.2.4.RELEASE...v5.2.20.RELEASE)

---
updated-dependencies:
- dependency-name: org.springframework:spring-beans
  dependency-type: direct:production
...

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

Author: dependabot[bot]

ioc1/pom.xml

@@ -30,7 +30,7 @@
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-beans</artifactId>
-      <version>5.2.4.RELEASE</version>
+      <version>5.2.20.RELEASE</version>
       <scope>compile</scope>
     </dependency>
     <dependency>