Bump idna from 3.15 to 3.16

[dependabot]

Bumps idna from 3.15 to 3.16.

Changelog

Sourced from idna's changelog.

3.16 (2026-05-22)

• Add a command-line interface (python -m idna, also available as the idna script). Encodes or decodes one or more domains supplied as arguments or on standard input, with options to select A-label or U-label output and control error handling.
• Raise the minimum supported Python version to 3.9
• Various code quality improvements

Commits

• 6d1a0de Release 3.16
• 4e6cbe2 Demote installation instruction to usage section
• 223533c Merge branch 'readme-simplification' into release-3.16
• b1640b2 Bump version to 3.16rc0
• 3a86113 Update history for 3.16 release
• d4bc9e7 Merge pull request #246 from kjd/python-3.9
• a21d9fc Update deprecation policy
• b464926 Raise minimum Python to 3.9 and modernize typing
• 7f3b15e Explicit example not needed
• 7530c70 Remove unnecessary print()
• Additional commits viewable in compare view

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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	idna@​3.15 ⏵ 3.16	+1

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[socket-security]

Caution

Review the following alerts detected in dependencies.

According to your organization's Security Policy, you must resolve all "Block" alerts before proceeding. Learn more about Socket for GitHub.

Action	Severity	Alert  (click "▶" to expand/collapse)
Block		System shell access: pypi idna Location: Package overview From: requirements.txt → pypi/idna@3.16 ℹ Read more on: This package | This alert | What is shell access? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Packages should avoid accessing the shell which can reduce portability, and make it easier for malicious shell access to be introduced. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore pypi/idna@3.16. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

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