Bump org.apache.struts:struts2-core in /java-checks-test-sources/default

Bumps [org.apache.struts:struts2-core](https://github.com/apache/struts) 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.apache.struts:struts2-core
  dependency-type: direct:production
...

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

Author: dependabot[bot]

java-checks-test-sources/default/pom.xml

@@ -619,7 +619,7 @@
     <dependency>
       <groupId>org.apache.struts</groupId>
       <artifactId>struts2-core</artifactId>
-      <version>2.5.31</version>
+      <version>2.5.33</version>
       <scope>provided</scope>
     </dependency>
     <dependency>