chore(main): release 0.5.0

[release-baton]

🤖 I have created a release beep boop

0.5.0 (2026-06-04)

Features

• hooks: add Mix hook for arbitrary mix tasks (d8954be)
• hooks: forward :args to mix in Test/Format/Credo/Dialyzer (74efdcc)
• telemetry: split :hook :skip into its own event (e134bad)

Bug Fixes

• ci: key dialyzer PLT cache on resolved OTP/Elixir versions (5358432)
• config: handle malformed config errors (6403ff1)
• hooks: default Hooks.Mix :files so Runner can dispatch (197a3e6)
• installer: propagate Git.toplevel error from scaffold (ac2599c)
• installer: restrict backup restore to ISO8601-suffixed siblings (ff1bc94)
• runner: return missing_args error instead of crashing (b17a813)

Refactor

• config: normalize hook options at load time (01341a8)
• config: use implicit try in eval_config (36ad1f1)
• hook: tighten run/2 return contract (44dafca)

Documentation

• document :args opt and Hooks.Mix module (a88196e)

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