upgraded maven-site-plugin to 3.6

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1770166 13f79535-47bb-0310-9956-ffa450edef68
1 file changed
tree: bb1fe098395b182f3202518992a7bdd1aa426d67
  1. asf/
  2. maven/