chore: fix a super nit in the GitHub bug template

Author: EchoEllet

.github/ISSUE_TEMPLATE/1_bug.yml

@@ -10,7 +10,7 @@ body:
   - type: checkboxes
     attributes:
       label: Have you checked for an existing issue?
-      description: Ensure there isn’t already an open issue for this feature request.
+      description: Ensure there isn’t already an open issue for this bug.
       options:
       - label: I have searched the [existing issues](https://github.com/singerdmx/flutter-quill/issues)
         required: true