Bump plexus-utils from 3.5.1 to 4.0.0 (#82)

* Bump plexus-utils from 3.5.1 to 4.0.0

Bumps [plexus-utils](https://github.com/codehaus-plexus/plexus-utils) from 3.5.1 to 4.0.0.
- [Release notes](https://github.com/codehaus-plexus/plexus-utils/releases)
- [Commits](codehaus-plexus/plexus-utils@plexus-utils-3.5.1...plexus-utils-4.0.0)

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

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

* Add plexus-xml - needed only for tests

---------

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

pom.xml

@@ -149,7 +149,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>3.5.1</version>
+      <version>4.0.0</version>
     </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
@@ -166,6 +166,12 @@
       <artifactId>plexus-io</artifactId>
       <version>3.4.1</version>
     </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-xml</artifactId>
+      <version>4.0.0</version>
+      <scope>test</scope>
+    </dependency>
     <dependency>
       <groupId>org.apache.maven.plugin-testing</groupId>
       <artifactId>maven-plugin-testing-harness</artifactId>