fix bugreport.yml (#10746)

* fix bugreport.yml

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: gronniger

.github/ISSUE_TEMPLATE/bugreport.yml

@@ -29,16 +29,11 @@ body:
         Minimal, self-contained copy-pastable example that demonstrates the issue.         This will be automatically formatted into code, so no need for markdown backticks.
       render: Python
 
-  - type: checkboxes
-    id: mvce-checkboxes
+  - type: textarea
+    id: reproduce
     attributes:
-      label: MVCE confirmation
-      description: |
-        Please confirm that the bug report is in an excellent state, so we can understand & fix it quickly & efficiently. For more details, check out:
-
-        - [Minimal Complete Verifiable Examples](https://stackoverflow.com/help/mcve)
-        - [Craft Minimal Bug Reports](https://matthewrocklin.com/minimal-bug-reports)
-
+      label: Steps to reproduce
+      description:
         Consider listing additional or specific dependencies in [inline script metadata](https://packaging.python.org/en/latest/specifications/inline-script-metadata/#example)
         so that calling `uv run issue.py` shows the issue when copied into `issue.py`. (not strictly required)
       value: |
@@ -56,6 +51,19 @@ body:
         xr.show_versions()
         # your reproducer code ...
         ```
+    validations:
+      required: false
+
+  - type: checkboxes
+    id: mvce-checkboxes
+    attributes:
+      label: MVCE confirmation
+      description: |
+        Please confirm that the bug report is in an excellent state, so we can understand & fix it quickly & efficiently. For more details, check out:
+
+        - [Minimal Complete Verifiable Examples](https://stackoverflow.com/help/mcve)
+        - [Craft Minimal Bug Reports](https://matthewrocklin.com/minimal-bug-reports)
+
       options:
         - label: Minimal example — the example is as focused as reasonably possible to demonstrate the underlying issue in xarray.
         - label: Complete example — the example is self-contained, including all data and the text of any traceback.