build(deps-dev): bump org.codehaus.mojo:versions-maven-plugin

Bumps [org.codehaus.mojo:versions-maven-plugin](https://github.com/mojohaus/versions) from 2.15.0 to 2.21.0.
- [Release notes](https://github.com/mojohaus/versions/releases)
- [Changelog](https://github.com/mojohaus/versions/blob/master/ReleaseNotes.md)
- [Commits](mojohaus/versions@2.15.0...2.21.0)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:versions-maven-plugin
  dependency-version: 2.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -55,7 +55,7 @@
     <license-maven-plugin.version>4.1</license-maven-plugin.version>
     <pitest-maven.version>1.22.1</pitest-maven.version>
     <pitest-junit5-plugin.version>1.1.2</pitest-junit5-plugin.version>
-    <versions-maven-plugin.version>2.15.0</versions-maven-plugin.version>
+    <versions-maven-plugin.version>2.21.0</versions-maven-plugin.version>
     <maven-failsafe-plugin.version>3.5.4</maven-failsafe-plugin.version>
     <spotless-maven-plugin.version>3.2.1</spotless-maven-plugin.version>
     <central-publishing-maven-plugin.version>0.9.0</central-publishing-maven-plugin.version>