Bump versions-maven-plugin from 2.7 to 2.8.1

Bumps [versions-maven-plugin](https://github.com/mojohaus/versions-maven-plugin) from 2.7 to 2.8.1.
- [Release notes](https://github.com/mojohaus/versions-maven-plugin/releases)
- [Changelog](https://github.com/mojohaus/versions-maven-plugin/blob/master/ReleaseNotes.md)
- [Commits](mojohaus/versions@versions-maven-plugin-2.7...versions-maven-plugin-2.8.1)

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

Author: dependabot-preview[bot]

pom.xml

@@ -126,7 +126,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>versions-maven-plugin</artifactId>
-                <version>2.7</version>
+                <version>2.8.1</version>
             </plugin>
         </plugins>
     </build>