Merge pull request #857 from knowm/dependabot/maven/org.apache.maven.plugins-maven-javadoc-plugin-3.7.0

Bump org.apache.maven.plugins:maven-javadoc-plugin from 3.6.3 to 3.7.0

Author: mccartney

pom.xml

@@ -203,7 +203,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.6.3</version>
+                <version>3.7.0</version>
                 <configuration>
                     <doclint>none</doclint>
                     <excludePackageNames>org.knowm.xchart.internal.*</excludePackageNames>