Change Nexus repo, relax RAT checks

Change-Id: I9fe685a912df7b18e59579c832eea0dbbeb18b3f
Reviewed-on: https://asterix-gerrit.ics.uci.edu/332
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Chris Hillery <ceej@lambda.nu>
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/asterix-doc/pom.xml b/asterix-doc/pom.xml
index 235ff6c..c82d8c1 100644
--- a/asterix-doc/pom.xml
+++ b/asterix-doc/pom.xml
@@ -39,7 +39,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId>
-        <version>3.3</version>
+        <version>3.4</version>
         <configuration>
           <generateReports>false</generateReports>
         </configuration>