[MPOM-149] Upgrade plugin tools to 3.5.

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1774826 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/maven/pom.xml b/maven/pom.xml
index 0b12bfd..df4290c 100644
--- a/maven/pom.xml
+++ b/maven/pom.xml
@@ -855,7 +855,7 @@
     <sonar.host.url>https://analysis.apache.org/</sonar.host.url>
     <maven.site.cache>${user.home}/maven-sites</maven.site.cache>
     <maven.site.path>../..</maven.site.path><!-- to be overridden -->
-    <mavenPluginToolsVersion>3.4</mavenPluginToolsVersion>
+    <mavenPluginToolsVersion>3.5</mavenPluginToolsVersion>
     <!-- don't fail check for some rules that are too hard to enforce (could even be told broken for some) -->
     <checkstyle.violation.ignore>RedundantThrows,NewlineAtEndOfFile,ParameterNumber,MethodLength,FileLength</checkstyle.violation.ignore>
   </properties>