Merge pull request #321 from jenkinsci/dependabot/maven/org.jenkins-ci.plugins-plugin-4.6

Bump plugin from 4.2 to 4.6

Author: bitwiseman

pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>4.2</version>
+        <version>4.6</version>
         <relativePath />
     </parent>
     <artifactId>github-branch-source</artifactId>
@@ -27,7 +27,6 @@
         <java.level>8</java.level>
         <jenkins.version>2.176.4</jenkins.version>
         <useBeta>true</useBeta>
-        <jcasc.version>1.35</jcasc.version>
         <jjwt.version>0.10.5</jjwt.version>
     </properties>
 
@@ -98,13 +97,11 @@
         <dependency>
             <groupId>io.jenkins</groupId>
             <artifactId>configuration-as-code</artifactId>
-            <version>${jcasc.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>io.jenkins.configuration-as-code</groupId>
             <artifactId>test-harness</artifactId>
-            <version>${jcasc.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>

src/test/java/org/jenkinsci/plugins/github_branch_source/EndpointTest.java

@@ -95,8 +95,8 @@ private Page post(String relative, String userName) throws Exception {
             client = j.createWebClient();
         }
 
-        final WebRequest request = new WebRequest(new URL(client.getContextPath() + relative), client.getBrowserVersion().getHtmlAcceptHeader());
-        request.setHttpMethod(HttpMethod.POST);
+        final WebRequest request = new WebRequest(new URL(client.getContextPath() + relative), HttpMethod.POST);
+        request.setAdditionalHeader("Accept", client.getBrowserVersion().getHtmlAcceptHeader());
         request.setRequestParameters(Arrays.asList(new NameValuePair(Functions.getCrumbRequestField(), Functions.getCrumb(null))));
         return client.getPage(request);
     }