chore(deps): bump click from 8.0.4 to 8.4.2

[dependabot]

Bumps click from 8.0.4 to 8.4.2.

Release notes

Sourced from click's releases.

8.4.2

This is the Click 8.4.1 fix release, which fixes bugs but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.

PyPI: https://pypi.org/project/click/8.4.2/ Changes: https://click.palletsprojects.com/page/changes/#version-8-4-2 Milestone: https://github.com/pallets/click/milestone/34

• Fix Fish shell completion broken in 8.4.0 by #3126. Newlines and tabs in option help text are now escaped, keeping the original completion format while still supporting multi-line help. #3502 #3043 #3504 #3508
• Deprecated commands and options with empty or missing help text no longer render a stray leading space before the (DEPRECATED) label. #3509
• A {class}Group with invoke_without_command=True marks its subcommand as optional in the usage help, showing [COMMAND] instead of COMMAND. #3059 #3507
• echo_via_pager flushes after each write, so passing a generator streams output to the pager incrementally instead of staying hidden until the pipe buffer fills. #3242 #2542 #3534
• echo_via_pager and get_pager_file no longer close a borrowed stdout stream when no external pager runs, completing the partial I/O operation on closed file fix from #3482. #3449 #3533
• Fix CLI usage symopsis for optional arguments producing double square brackets [[a|b|c]]... whose type already brackets their metavar. #3578
• {func}version_option resolves a package_name that does not match an installed distribution as an import (top-level module) name via {func}importlib.metadata.packages_distributions. Packages whose top-level module name differs from their distribution name (PIL vs Pillow, jwt vs PyJWT) no longer raise RuntimeError out of the box. #2331 #1884 #3125 #3582

8.4.1

This is the Click 8.4.1 fix release, which fixes bugs but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.

PyPI: https://pypi.org/project/click/8.4.1/ Changes: https://click.palletsprojects.com/page/changes/#version-8-4-1 Milestone: https://github.com/pallets/click/milestone/32

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

8.4.0

This is the Click 8.4.0 feature release. A feature release may include new features, remove previously deprecated code, add new deprecation, or introduce potentially breaking changes.

We encourage everyone to upgrade. You can read more about our [Version Support Policy][version] on our website.

... (truncated)

Changelog

Sourced from click's changelog.

Version 8.4.2

Released 2026-06-24

• Fix Fish shell completion broken in 8.4.0 by {pr}3126. Newlines and tabs in option help text are now escaped, keeping the original completion format while still supporting multi-line help. {issue}3502 {issue}3043 {pr}3504 {pr}3508
• Deprecated commands and options with empty or missing help text no longer render a stray leading space before the (DEPRECATED) label. {pr}3509
• A {class}Group with invoke_without_command=True marks its subcommand as optional in the usage help, showing [COMMAND] instead of COMMAND. {issue}3059 {pr}3507
• echo_via_pager flushes after each write, so passing a generator streams output to the pager incrementally instead of staying hidden until the pipe buffer fills. {issue}3242 {issue}2542 {pr}3534
• echo_via_pager and get_pager_file no longer close a borrowed stdout stream when no external pager runs, completing the partial I/O operation on closed file fix from {pr}3482. {issue}3449 {pr}3533
• Fix CLI usage symopsis for optional arguments producing double square brackets [[a|b|c]]... whose type already brackets their metavar. {pr}3578
• {func}version_option resolves a package_name that does not match an installed distribution as an import (top-level module) name via {func}importlib.metadata.packages_distributions. Packages whose top-level module name differs from their distribution name (PIL vs Pillow, jwt vs PyJWT) no longer raise RuntimeError out of the box. {issue}2331 {issue}1884 {issue}3125 {pr}3582

Version 8.4.1

Released 2026-05-21

• get_parameter_source() is available during eager callbacks and type conversion again. {issue}3458 {pr}3484
• Zsh completion scripts parse correctly on Windows. {issue}3277 {pr}3466
• Shell completion of Enum values used as Choice options produces a valid completion result. {issue}3015 {pr}3471
• Fix empty byte-string handling in echo. {issue}3487 {pr}3493
• Fix closed file error with echo_via_pager. {issue}3449 {pr}3482
• Fix open_url on Windows when the file path contains spaces. {issue}2994 {pr}3478

Version 8.4.0

Released 2026-05-17

• {class}ParamType typing improvements. {pr}3371

  • {class}ParamType is now a generic abstract base class,

... (truncated)

Commits

• b2e30a1 Release version 8.4.2
• 7a16b20 Fix package_name resolution when module differs from distribution name (#3582)
• bec5928 Fix package_name resolution when top-level module differs from distribution...
• 916883a Fix tests to not rely on -Wdefault option (#3591)
• 09195f6 Fix double-bracketing of choices in synopsis (#3578)
• 1557e26 Check for warning exception with idiomatic context manager
• d9ff133 Static typing improvements in click.shell_completion (#3460)
• 762c97e Fix double-bracketing of choices in synopsis
• 8929d39 Convert changes to markdown. (#3559)
• 237be50 Move changes headings down a level.
• Additional commits viewable in compare view

Most Recent Ignore Conditions Applied to This Pull Request

Dependency Name	Ignore Conditions
click	[>= 8.1.a, < 8.2]

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.17%. Comparing base (ae30a65) to head (72192d0).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1935      +/-   ##
==========================================
+ Coverage   84.14%   84.17%   +0.02%     
==========================================
  Files         118      118              
  Lines       13425    13425              
==========================================
+ Hits        11297    11301       +4     
+ Misses       2128     2124       -4     

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