Bump com.thoughtworks.qdox:qdox from 2.1.0 to 2.2.0

Bumps [com.thoughtworks.qdox:qdox](https://github.com/paul-hammant/qdox) from 2.1.0 to 2.2.0.
- [Commits](paul-hammant/qdox@qdox-2.1.0...qdox-2.2.0)

---
updated-dependencies:
- dependency-name: com.thoughtworks.qdox:qdox
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

plexus-java/pom.xml

@@ -20,7 +20,7 @@
     <dependency>
       <groupId>com.thoughtworks.qdox</groupId>
       <artifactId>qdox</artifactId>
-      <version>2.1.0</version>
+      <version>2.2.0</version>
     </dependency>
     <dependency>
       <groupId>javax.inject</groupId>