Bump org.apache.maven.plugins:maven-clean-plugin from 3.3.2 to 3.4.0 (closes #196)

Bumps [org.apache.maven.plugins:maven-clean-plugin](https://github.com/apache/maven-clean-plugin) from 3.3.2 to 3.4.0.
- [Release notes](https://github.com/apache/maven-clean-plugin/releases)
- [Commits](https://github.com/apache/maven-clean-plugin/compare/maven-clean-plugin-3.3.2...maven-clean-plugin-3.4.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-clean-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Change-Id: I52b0760100ba12ce4eaf72d3b442fd704eb706b8
Reviewed-on: https://korap.ids-mannheim.de/gerrit/c/KorAP/Koral/+/8728
Reviewed-by: Nils Diewald <nils@diewald-online.de>
diff --git a/pom.xml b/pom.xml
index dcbdbc1..3d534ff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -160,7 +160,7 @@
 		  <plugin>
 			  <groupId>org.apache.maven.plugins</groupId>
 			  <artifactId>maven-clean-plugin</artifactId>
-		    <version>3.3.2</version>
+		    <version>3.4.0</version>
 		    <configuration>
 		      <filesets>
 		        <fileset>