Upgrade maven-clean-plugin 3.3.2 -> 3.4.0 (#1227)

See:
- https://github.com/apache/maven-clean-plugin/releases/tag/maven-clean-plugin-3.4.0
- apache/maven-clean-plugin@maven-clean-plugin-3.3.2...maven-clean-plugin-3.4.0

pom.xml

@@ -912,7 +912,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-clean-plugin</artifactId>
-                    <version>3.3.2</version>
+                    <version>3.4.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>