Bump dnsjava:dnsjava from 3.4.0 to 3.6.0 in /hadoop-project

Bumps [dnsjava:dnsjava](https://github.com/dnsjava/dnsjava) from 3.4.0 to 3.6.0.
- [Release notes](https://github.com/dnsjava/dnsjava/releases)
- [Changelog](https://github.com/dnsjava/dnsjava/blob/master/Changelog)
- [Commits](dnsjava/dnsjava@v3.4.0...v3.6.0)

---
updated-dependencies:
- dependency-name: dnsjava:dnsjava
  dependency-type: direct:production
...

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

Author: dependabot[bot]

hadoop-project/pom.xml

@@ -106,7 +106,7 @@
     <zookeeper.version>3.8.4</zookeeper.version>
     <curator.version>5.2.0</curator.version>
     <findbugs.version>3.0.5</findbugs.version>
-    <dnsjava.version>3.4.0</dnsjava.version>
+    <dnsjava.version>3.6.0</dnsjava.version>
 
     <guava.version>27.0-jre</guava.version>
     <guice.version>5.1.0</guice.version>