docs: 更新 issue 模板- 修改 bug 报告模板，移除环境信息输入，增加 Servicecomb 版本输入

-简化 additional context 部分
- 移除附件选项
- 更新 config.yml，添加邮件支持链接

Author: SweetWuXiaoMei

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -22,20 +22,12 @@ body:
 
   - type: input
     attributes:
-      label: Environment (OS, Version, etc.)
-      description: "Please provide your operating system, version, and any relevant environment details."
-      placeholder: "e.g. Windows 10, Node.js v14"
+      label: Servicecomb Version
+      description: "Please provide your Servicecomb version"
+      placeholder: "3.2.4"
 
   - type: textarea
     attributes:
       label: Additional Context
       description: "Add any other context about the problem here."
       placeholder: "Any additional information that might help us debug the issue."
-
-  - type: checkboxes
-    attributes:
-      label: Attachments (Optional)
-      options:
-        - label: "Screenshots"
-        - label: "Log files"
-        - label: "Error messages"

.github/ISSUE_TEMPLATE/config.yml

@@ -1,8 +1,7 @@
 blank_issues_enabled: false
 contact_links:
-  - name: "Doc Support"
-    url: "https://servicecomb.apache.org/references/java-chassis/zh_CN/index.html"
-#    url: "mailto:support@myproject.com"
+  - name: "Contact Support"
+    url: "dev@servicecomb.apache.org"
     about: "If you need help, please contact us."
 templates:
   - name: "Bug Report"