chore(deps): bump org.easymock:easymock in /ehconnector

Bumps [org.easymock:easymock](https://github.com/easymock/easymock) from 5.4.0 to 5.5.0.
- [Release notes](https://github.com/easymock/easymock/releases)
- [Changelog](https://github.com/easymock/easymock/blob/master/ReleaseNotes.md)
- [Commits](easymock/easymock@easymock-5.4.0...easymock-5.5.0)

---
updated-dependencies:
- dependency-name: org.easymock:easymock
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

ehconnector/pom.xml

@@ -471,7 +471,7 @@
         <dependency>
             <groupId>org.easymock</groupId>
             <artifactId>easymock</artifactId>
-            <version>5.4.0</version>
+            <version>5.5.0</version>
         </dependency>
         <dependency>
             <groupId>org.nanohttpd</groupId>