Upgrade HtmlUnit from 2.x to 3.x

Author: timja

pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>4.55</version>
+    <version>4.66</version>
     <relativePath/>
   </parent>
 

src/test/java/org/jenkinsci/plugins/docker/commons/credentials/DockerServerCredentialsTest.java

@@ -31,8 +31,8 @@
 import com.cloudbees.plugins.credentials.common.IdCredentials;
 import com.cloudbees.plugins.credentials.domains.Domain;
 import com.cloudbees.plugins.credentials.domains.DomainSpecification;
-import com.gargoylesoftware.htmlunit.html.HtmlElement;
-import com.gargoylesoftware.htmlunit.html.HtmlForm;
+import org.htmlunit.html.HtmlElement;
+import org.htmlunit.html.HtmlForm;
 import hudson.security.ACL;
 import hudson.util.Secret;
 import org.junit.Rule;