Update bug_report.yml

Author: ota-meshi

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -77,6 +77,12 @@ body:
         [Why Reproductions are Required](https://antfu.me/posts/why-reproductions-are-required)
       placeholder: |
         https://github.com/[your]/[repo]
+
+        Be sure to share the repo on GitHub. GitHub's repo is ready to debug using Codespace.
+        Please DON'T USE non-GitHub repos such as GitLab as repro.
+        It takes me a long time to prepare my local PC for debugging.
+        Please DON'T USE stackblitz as a repro.
+        We can't debug eslint with stackblitz.
     validations:
       required: true
   - type: textarea