[Snyk] Security upgrade urllib3 from 2.0.7 to 2.6.0 (backport #73)

[mergify]

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

⚠️ Warning

sphinx 5.3.0 has requirement docutils<0.20,>=0.14, but you have docutils 0.20.1.

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• Some vulnerabilities couldn't be fully fixed and so Snyk will still find them when the project is tested again. This may be because the vulnerability existed within more than one direct dependency, but not all of the affected dependencies could be upgraded.

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This is an automatic backport of pull request #73 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of f285d38 has failed:

On branch mergify/bp/edge/pr-73
Your branch is up to date with 'origin/edge'.

You are currently cherry-picking commit f285d38.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   docs/requirements.txt

no changes added to commit (use "git add" and/or "git commit -a")

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally