[Snyk] Fix for 5 vulnerabilities

[robertatakenaka]

Snyk has created this PR to fix 5 vulnerabilities in the pip dependencies of this project.

Snyk changed the following file(s):

• requirements/production.txt

⚠️ Warning

django-anymail 11.1 requires django, which is not installed.

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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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[Copilot]

Pull request overview

This PR applies automated security fixes from Snyk to address 5 vulnerabilities by updating three dependencies: Django (from 3.2.25 to 4.2.27), sqlparse (from 0.4.4 to 0.5.4), and urllib3 (from 2.0.7 to 2.6.0). The changes add minimum version constraints for these transitive dependencies in the production requirements file.

Key Changes:

• Added security pins for Django (>=4.2.27), sqlparse (>=0.5.4), and urllib3 (>=2.6.0) to address known vulnerabilities
• Follows existing pattern of using minimum version constraints in the SECURITY UPDATES section

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[Copilot]

Missing space after '#' in comments. For consistency with the existing comment style in this file (see line 44), these comments should have a space after the '#' character. The comments should be:

django>=4.2.27 # not directly required, pinned by Snyk to avoid a vulnerability
sqlparse>=0.5.4 # not directly required, pinned by Snyk to avoid a vulnerability
urllib3>=2.6.0 # not directly required, pinned by Snyk to avoid a vulnerability

Suggested change

	django>=4.2.27 # not directly required, pinned by Snyk to avoid a vulnerability
	sqlparse>=0.5.4 # not directly required, pinned by Snyk to avoid a vulnerability
	urllib3>=2.6.0 # not directly required, pinned by Snyk to avoid a vulnerability
	django>=4.2.27 # not directly required, pinned by Snyk to avoid a vulnerability
	sqlparse>=0.5.4 # not directly required, pinned by Snyk to avoid a vulnerability
	urllib3>=2.6.0 # not directly required, pinned by Snyk to avoid a vulnerability