Update dependency click to v8.4.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
click (changelog)	==8.4.0 → ==8.4.1

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Release Notes

pallets/click (click)

v8.4.1

Compare Source

Released 2026-05-21

• get_parameter_source() is available during eager callbacks and type
  conversion again. :issue:3458 :issue:3484
• Zsh completion scripts parse correctly on Windows. :issue:3277 :pr:3466
• Shell completion of Choice Enum values produces a valid completion
  result. :issue:3015
• Fix empty byte-string handling in echo. :issue:3487
• Fix closed file error with echo_via_pager. :issue:3449

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