Build succeeded in Jenkins: Maven TLP » maven-site-plugin » MSITE-829 #11

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See 
https://builds.apache.org/job/maven-box/job/maven-site-plugin/job/MSITE-829/11/

Changes:

* update maven version to test the build
* bump version to 3.10 as it is a big change
* 3.1.x is not part of the possible options

All tests passed