Bump org.codehaus.plexus:plexus-xml from 3.0.1 to 4.0.0 (#89)

Bumps [org.codehaus.plexus:plexus-xml](https://github.com/codehaus-plexus/plexus-xml) from 3.0.1 to 4.0.0.
- [Release notes](https://github.com/codehaus-plexus/plexus-xml/releases)
- [Commits](codehaus-plexus/plexus-xml@plexus-xml-3.0.1...plexus-xml-4.0.0)

---
updated-dependencies:
- dependency-name: org.codehaus.plexus:plexus-xml
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -23,7 +23,7 @@
         <maven-plugin-plugin.version>3.15.0</maven-plugin-plugin.version>
 
         <plexus-utils.version>4.0.2</plexus-utils.version>
-        <plexus-xml.version>3.0.1</plexus-xml.version>
+        <plexus-xml.version>4.0.0</plexus-xml.version>
         <maven-plugin-annotations.version>3.15.0</maven-plugin-annotations.version>
         <maven-plugin-api.version>3.9.0</maven-plugin-api.version>
         <maven-javadoc-plugin.version>3.10.0</maven-javadoc-plugin.version>