Update werkzeug to 3.0.3

[pyup-bot]

This PR updates werkzeug from 3.0.0 to 3.0.3.

Changelog

3.0.2

-------------

Released 2024-04-01

-   Ensure setting merge_slashes to False results in NotFound for
 repeated-slash requests against single slash routes. :issue:`2834`
-   Fix handling of TypeError in TypeConversionDict.get() to match
 ValueErrors. :issue:`2843`
-   Fix response_wrapper type check in test client. :issue:`2831`
-   Make the return type of ``MultiPartParser.parse`` more
 precise. :issue:`2840`
-   Raise an error if converter arguments cannot be
 parsed. :issue:`2822`

3.0.1

-------------

Released 2023-10-24

-   Fix slow multipart parsing for large parts potentially enabling DoS
 attacks. :cwe:`CWE-407`

Links

• PyPI: https://pypi.org/project/werkzeug
• Changelog: https://data.safetycli.com/changelogs/werkzeug/

[pyup-bot]

Closing this in favor of #454