feat: add type and executableUser to ProcessAction

src/main/java/com/kintone/client/model/app/ProcessAction.java

@@ -17,4 +17,10 @@ public class ProcessAction {
 
     /** The branch criteria of the action. */
     private String filterCond;
+
+    /** The type of the Action. */
+    private ProcessActionType type;
+
+    /** The executable users for SECONDARY type actions. */
+    private ProcessExecutableUser executableUser;
 }

src/main/java/com/kintone/client/model/app/ProcessActionType.java

@@ -0,0 +1,11 @@
+package com.kintone.client.model.app;
+
+/** The type of Action in Process Management Settings. */
+public enum ProcessActionType {
+
+    /** Only assignees can execute this action. */
+    PRIMARY,
+
+    /** Users other than assignees can also execute this action. */
+    SECONDARY
+}

src/main/java/com/kintone/client/model/app/ProcessExecutableUser.java

@@ -0,0 +1,12 @@
+package com.kintone.client.model.app;
+
+import java.util.List;
+import lombok.Data;
+
+/** Executable user settings for Actions with SECONDARY type. */
+@Data
+public class ProcessExecutableUser {
+
+    /** A list of the executable users. */
+    private List<ProcessEntity> entities;
+}