Bump org.codehaus.mojo:versions-maven-plugin from 2.17.1 to 2.18.0

Bumps [org.codehaus.mojo:versions-maven-plugin](https://github.com/mojohaus/versions) from 2.17.1 to 2.18.0.
- [Release notes](https://github.com/mojohaus/versions/releases)
- [Changelog](https://github.com/mojohaus/versions/blob/master/ReleaseNotes.md)
- [Commits](mojohaus/versions@2.17.1...2.18.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -54,7 +54,7 @@
     <maven-surefire-plugin.version>3.5.2</maven-surefire-plugin.version>
     <maven-failsafe-plugin.version>3.5.2</maven-failsafe-plugin.version>
     <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
-    <versions-maven-plugin.version>2.17.1</versions-maven-plugin.version>
+    <versions-maven-plugin.version>2.18.0</versions-maven-plugin.version>
 
     <!-- Third party plugin versions. Spring Boot Parent POM manages several already. -->
     <exec-maven-plugin.version>3.5.0</exec-maven-plugin.version>