[Snyk] Security upgrade urllib3 from 2.0.7 to 2.6.3

[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/client/petstore/python/requirements.txt

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[ayusuf-mq]

This minor version upgrade removes support for Python 3.7 and removes APIs that were deprecated in version 2.0.0. Projects must be running on Python 3.8 or newer.

Highlights:

• Python 3.7 Support Removed: Support for the end-of-life Python 3.7 was removed in urllib3 v2.1.0. [5]
• Removed Deprecated APIs: Methods deprecated in v2.0.0, such as HTTPResponse.getheaders() and the urllib3.contrib.securetransport module, were removed in v2.1.0. [5]

Source: Package documentation
Recommendation: Ensure your environment uses Python 3.8+ and that your code does not rely on APIs deprecated in v2.0.0 before merging this upgrade.

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