Update dependency org.codehaus.mojo:versions-maven-plugin to v2.21.0 (#57)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -116,7 +116,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>versions-maven-plugin</artifactId>
-                <version>2.20.1</version>
+                <version>2.21.0</version>
                 <configuration>
                     <generateBackupPoms>false</generateBackupPoms>
                     <skipResolution>true</skipResolution>