Bump picocli from 4.5.2 to 4.6.1

Bumps [picocli](https://github.com/remkop/picocli) from 4.5.2 to 4.6.1.
- [Release notes](https://github.com/remkop/picocli/releases)
- [Changelog](https://github.com/remkop/picocli/blob/master/RELEASE-NOTES.md)
- [Commits](remkop/picocli@v4.5.2...v4.6.1)

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

Author: dependabot[bot]

build.gradle

@@ -113,7 +113,7 @@ subprojects {
         if (isStandardGroovyMavenProject) {
             documentation "org.fusesource.jansi:jansi:2.1.1"
             documentation "org.codehaus.groovy:groovy-dateutil:$groovyVersion"
-            documentation 'info.picocli:picocli:4.5.2'
+            documentation 'info.picocli:picocli:4.6.1'
             documentation ("com.github.javaparser:javaparser-core:$javaParserCoreVersion")
 
             api "org.codehaus.groovy:groovy:$groovyVersion"