Merge pull request #5 from 1and1/dependabot/maven/org.apache.maven.plugins-maven-javadoc-plugin-3.5.0

Bump maven-javadoc-plugin from 3.1.1 to 3.5.0

Author: sfuhrm

pom.xml

@@ -144,7 +144,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>3.1.1</version>
+        <version>3.5.0</version>
         <!-- see bug JDK-8212233 -->
         <configuration>
           <source>8</source>