[Snyk] Security upgrade marshmallow from 3.20.1 to 3.26.2

[snyk-io]

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

Snyk changed the following file(s):

• docs/requirements.txt

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This change is 

Summary by Bito

• Addresses a security vulnerability by upgrading the marshmallow dependency from version 3.20.1 to 3.26.2.
• The only file affected by this change is requirements.txt, which lists the project's Python dependencies.
• Overall summary: updates the marshmallow dependency in requirements.txt to mitigate security risks.

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[snyk-io]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Code Security	0	0	0	0	0 issues

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[deepsource-io]

Here's the code health analysis summary for commits 2d20dba..41d6d72. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Python	✅ Success		View Check ↗

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