[Snyk] Fix for 4 vulnerabilities

[mo-auto]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `pip` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • docs/requirements.txt

⚠️ Warning

mkdocs-git-committers-plugin-2 1.1.1 requires gitpython, which is not installed.
mkdocs-git-committers-plugin-2 1.1.1 requires beautifulsoup4, which is not installed.
mkdocs-git-committers-plugin-2 1.1.1 requires requests, which is not installed.

Vulnerabilities that will be fixed

By pinning:

Severity	Issue	Upgrade	Breaking Change	Exploit Maturity
	Directory Traversal SNYK-PYTHON-MKDOCS-1729735	mkdocs: 1.0.4 -> 1.3.0	No	Proof of Concept
	Cross-site Scripting (XSS) SNYK-PYTHON-MKDOCS-2438396	mkdocs: 1.0.4 -> 1.3.0	No	No Known Exploit
	Regular Expression Denial of Service (ReDoS) SNYK-PYTHON-SETUPTOOLS-3113904	setuptools: 39.0.1 -> 65.5.1	No	No Known Exploit
	Regular Expression Denial of Service (ReDoS) SNYK-PYTHON-SETUPTOOLS-3180412	setuptools: 39.0.1 -> 65.5.1	No	No Known Exploit

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.

Check the changes in this PR to ensure they won't cause issues with your project.

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Directory Traversal
🦉 Cross-site Scripting (XSS)
🦉 Regular Expression Denial of Service (ReDoS)
🦉 More lessons are available in Snyk Learn