Change the platform section in the bug report template (#2723)

Checkboxes are treated as tasks: https://github.com/JetBrains/compose-jb/issues/2722

.github/ISSUE_TEMPLATE/bug_report.md

@@ -11,12 +11,14 @@ assignees: ''
 A clear and concise description of what the bug is.
 
 **Affected platforms**
-- [ ] All
-- [ ] Desktop
-- [ ] Web (K/JS) - HTML based API
-- [ ] Web (K/JS) - Canvas based API
-- [ ] iOS
-- [ ] other
+Select one of the platforms below:
+- All
+- Desktop
+- Web (K/JS) - HTML based API
+- Web (K/JS) - Canvas based API
+- iOS
+- Other
+If the bug is Android-only, report it in the [Jetpack Compose tracker](https://issuetracker.google.com/issues/new?component=612128)
 
 **Versions**
 - Kotlin version*: