[Snyk] Security upgrade werkzeug from 2.2.3 to 3.1.5

[ayusuf-mq]

Snyk has created this PR to fix 1 vulnerabilities in the pip dependencies of this project.

Snyk changed the following file(s):

• samples/openapi3/server/petstore/python-flask/requirements.txt

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[ayusuf-mq]

This major version upgrade from 2.2.3 to 3.1.5 includes significant breaking changes. Numerous deprecated functions, classes, and modules have been removed, and core components like the test client and locals management have been refactored.

Highlights:

• Removed Modules and Functions: The werkzeug.local module and many utility functions (like pbkdf2_hex, safe_str_cmp, cookie_date) have been removed. Code must be updated to use standard library alternatives (e.g., contextvars, hashlib, hmac).
• Test Client Refactor: The test client now returns TestResponse objects instead of tuples. Tests that accessed response data via tuple indexing will need to be updated to use object properties.

Source: Werkzeug documentation
Recommendation: Review the official Werkzeug 3.0 changelog for a full list of removals. Pinning dependencies of frameworks that use Werkzeug (like Flask) to versions compatible with Werkzeug 3.x is critical.

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