chore: update bug-report.yaml (#4780)

* chore: update bug-report.yml

Fix `OS/Web Information` section and don't render as Markdown

* chore: add repro steps to bug template

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -26,9 +26,21 @@ body:
         - Remote OS:
         - Remote Architecture:
         - `code-server --version`:
-      render: markdown
     validations:
-      required: false
+      required: true
+  - type: textarea
+    attributes:
+      label: Steps to Reproduce
+      description: |
+        1. open code-server
+        2. install extension
+        3. run command
+      value: |
+        1. 
+        2.
+        3.
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: Expected