Log Message:
py-werkzeug: updated to 2.3.7

Version 2.3.7

- Use ``flit_core`` instead of ``setuptools`` as build backend.
- Fix parsing of multipart bodies. :issue:`2734`
  Adjust index of last newline in data start. :issue:`2761`
- ``_plain_int`` and ``_plain_float`` strip whitespace before type
  enforcement. :issue:`2734`
- Fix empty file streaming when testing. :issue:`2740`
- Clearer error message when URL rule does not start with slash. :pr:`2750`
- ``Accept`` ``q`` value can be a float without a decimal part. :issue:`2751`