Bump the maven group across 2 directories with 2 updates

Bumps the maven group with 1 update in the /extensions/spring directory: [org.springframework:spring-beans](https://github.com/spring-projects/spring-framework).
Bumps the maven group with 1 update in the /extensions/struts2 directory: [org.apache.struts:struts2-core](https://github.com/apache/struts).


Updates `org.springframework:spring-beans` from 5.3.18 to 5.3.20
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.18...v5.3.20)

Updates `org.apache.struts:struts2-core` from 2.5.31 to 2.5.33
- [Release notes](https://github.com/apache/struts/releases)
- [Commits](https://github.com/apache/struts/commits)

---
updated-dependencies:
- dependency-name: org.springframework:spring-beans
  dependency-type: direct:production
  dependency-group: maven
- dependency-name: org.apache.struts:struts2-core
  dependency-type: direct:production
  dependency-group: maven
...

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

extensions/spring/pom.xml

@@ -17,7 +17,7 @@
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-beans</artifactId>
-      <version>5.3.18</version>
+      <version>5.3.20</version>
       <scope>provided</scope>
     </dependency>
   </dependencies>

extensions/struts2/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>org.apache.struts</groupId>
       <artifactId>struts2-core</artifactId>
-      <version>2.5.31</version>
+      <version>2.5.33</version>
       <scope>provided</scope>
     </dependency>
   </dependencies>