Bump plexus-utils from 3.5.1 to 4.0.0 (closes #139)

Bumps [plexus-utils](https://github.com/codehaus-plexus/plexus-utils) from 3.5.1 to 4.0.0.
- [Release notes](https://github.com/codehaus-plexus/plexus-utils/releases)
- [Commits](https://github.com/codehaus-plexus/plexus-utils/compare/plexus-utils-3.5.1...plexus-utils-4.0.0)

---
updated-dependencies:
- dependency-name: org.codehaus.plexus:plexus-utils
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Change-Id: Id5db2daf7458fd53fc195cc36c911ec965383a39
Reviewed-on: https://korap.ids-mannheim.de/gerrit/c/KorAP/Koral/+/7154
Reviewed-by: Nils Diewald <nils@diewald-online.de>
diff --git a/pom.xml b/pom.xml
index 017a98b..b951c6d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,7 +69,7 @@
 		<dependency>
 		    <groupId>org.codehaus.plexus</groupId>
 		    <artifactId>plexus-utils</artifactId>
-		    <version>3.5.1</version>
+		    <version>4.0.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.antlr</groupId>