Adds category name for releases

* Allows users to create discussions when creating or updating a new release

src/main/java/org/kohsuke/github/GHReleaseBuilder.java

@@ -87,6 +87,18 @@ public class GHReleaseBuilder {
         return this;
     }
 
+    /**
+     * Optional
+     *
+     * @param categoryName
+     *            the category of the discussion to be created for the release. Category should already exist
+     * @return the gh release builder
+     */
+    public GHReleaseBuilder categoryName(String categoryName) {
+        builder.with("discussion_category_name", categoryName);
+        return this;
+    }
+
     /**
      * Create gh release.
      *

src/main/java/org/kohsuke/github/GHReleaseUpdater.java

@@ -91,6 +91,18 @@ public class GHReleaseUpdater {
         return this;
     }
 
+    /**
+     * Optional
+     *
+     * @param categoryName
+     *            the category of the discussion to be created for the release. Category should already exist
+     * @return the gh release builder
+     */
+    public GHReleaseUpdater categoryName(String categoryName) {
+        builder.with("discussion_category_name", categoryName);
+        return this;
+    }
+
     /**
      * Update gh release.
      *