Doc: Update label names in github issue template

.github/ISSUE_TEMPLATE/bug_report_cn.yaml

@@ -1,6 +1,6 @@
 name: 上报 Bug
 description: 使用中文进行 Bug 报告
-labels: ['bug']
+labels: ['bug / 缺陷']
 body:
   - type: checkboxes
     id: checks

.github/ISSUE_TEMPLATE/bug_report_en.yaml

@@ -1,6 +1,6 @@
 name: Bug Report
 description: Create a report to help us improve
-labels: ['bug']
+labels: ['bug / 缺陷']
 body:
   - type: checkboxes
     id: checks

.github/ISSUE_TEMPLATE/feature_request_cn.yaml

@@ -1,6 +1,6 @@
 name: 功能请求
 description: 使用中文进行功能请求
-labels: ['feature']
+labels: ['feature request / 功能请求']
 body:
   - type: textarea
     id: describe

.github/ISSUE_TEMPLATE/feature_request_en.yaml

@@ -1,6 +1,6 @@
 name: Feature request
 description: Suggest an idea for this project
-labels: ['feature']
+labels: ['feature request / 功能请求']
 body:
   - type: textarea
     id: describe