Use git client 4.0.0

Author: MarkEWaite

pom.xml

@@ -92,7 +92,7 @@
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>git-client</artifactId>
-      <version>4.0.0-rc3304.b_85f61352131</version>
+      <version>4.0.0</version>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>