chore: release v4.2.0

[mise-en-dev]

🚀 Features

• (cli) allow overriding the shell program with USAGE_SHELL_ by @JamBalaya56562 in #767

🐛 Bug Fixes

• (cli) forward parsed args to WSL bash via WSLENV on windows by @JamBalaya56562 in #764
• (cli) let generate markdown write to stdout by @JamBalaya56562 in #766
• (complete) use type -P so the CLI-presence guard ignores shell functions by @JamBalaya56562 in #760
• (parse) enforce double_dash="required" for positional args by @JamBalaya56562 in #762
• (windows) run run= scripts with sh when available by @JamBalaya56562 in #765

🎨 Styling

• fix clippy and deprecation warnings in test and bench targets by @JamBalaya56562 in #763

[greptile-apps]

PR has a label that disables reviews.

[coderabbitai]

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• chore: release
• chore(main): release

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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
	cargo/​clap@​4.6.4 ⏵ 4.6.5
	cargo/​ctor@​1.0.11 ⏵ 1.0.12

View full report

[github-actions]

Instruction counts

benchmark	trend	instructions	Δ	wall (min)	Δ
markdown	▁▁▂▂██████████	110,277,702 → 110,291,090	+0.01%	18.47 → 19.05ms	+3.13%
startup	▁▁▁▁██████████	1,229,913 → 1,232,314	+0.20%	1.25 → 1.33ms	+6.32%

No instruction-count regression above 1%.

_{Only instruction counts gate. Wall clock is shown for context — on identical hardware it moves 4-20% run to run.}

_{Measured by tak — instruction-counted CLI benchmarks, stored in this repository's git notes.}

_{dbe9480839b0 vs 80e6d0007a20 · measured on the runner, not pushed to the history.}