feat: update issue template (langgenius#5592)

Author: crazywoola

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -14,6 +14,8 @@ body:
           required: true
         - label: I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)).
           required: true
+        - label: "请务必使用英文提交 Issue，否则会被关闭。谢谢！:）"
+          required: true
         - label: "Please do not modify this template :) and fill in all the required fields."
           required: true
 

.github/ISSUE_TEMPLATE/document_issue.yml

@@ -12,6 +12,8 @@ body:
           required: true
         - label: I confirm that I am using English to submit report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)).
           required: true
+        - label: "请务必使用英文提交 Issue，否则会被关闭。谢谢！:）"
+          required: true
         - label: "Please do not modify this template :) and fill in all the required fields."
           required: true
   - type: textarea

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -12,6 +12,8 @@ body:
           required: true
         - label: I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)).
           required: true
+        - label: "请务必使用英文提交 Issue，否则会被关闭。谢谢！:）"
+          required: true
         - label: "Please do not modify this template :) and fill in all the required fields."
           required: true
   - type: textarea

.github/ISSUE_TEMPLATE/translation_issue.yml

@@ -12,6 +12,8 @@ body:
           required: true
         - label: I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)).
           required: true
+        - label: "请务必使用英文提交 Issue，否则会被关闭。谢谢！:）"
+          required: true
         - label: "Please do not modify this template :) and fill in all the required fields."
           required: true
   - type: input