feat: add workflow knowledge type to knowledge resource index

--bug=1064202 --user=刘瑞斌 【资源管理】知识库列表的类型应该增加工作流知识库 https://www.tapd.cn/62980211/s/1807481

Author: liuruibin

ui/src/views/system-resource-management/KnowledgeResourceIndex.vue

@@ -344,6 +344,10 @@ const type_options = ref<any[]>([
     label: t('views.knowledge.knowledgeType.larkKnowledge'),
     value: '2',
   },
+  {
+    label: t('views.knowledge.knowledgeType.workflowKnowledge'),
+    value: '4',
+  },
 ])
 const loading = ref(false)
 const knowledgeList = ref<any[]>([])