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](https://github.com/remkop/picocli/compare/v4.5.2...v4.6.1)

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

Closes #9

Change-Id: I9d30d31f3c0f04b95b779b03c1c0048fdb6ec4b9
diff --git a/pom.xml b/pom.xml
index 88874b1..be03423 100644
--- a/pom.xml
+++ b/pom.xml
@@ -251,7 +251,7 @@
         <dependency>
             <groupId>info.picocli</groupId>
             <artifactId>picocli</artifactId>
-            <version>4.5.2</version>
+            <version>4.6.1</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.apache.opennlp/opennlp-tools -->