build(deps): Update Rust crate prs-lib to v0.5.7

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
prs-lib (source)	workspace.dependencies	patch	0.5.6 → 0.5.7

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Release Notes

timvisee/prs (prs-lib)

v0.5.7

Compare Source

• Show persistent notification while password is in clipboard
• Show notification when clipboard is restored, and close it after a few seconds
• Fix communication with gpg on some platforms by enforcing UTF-8 encoding
• Fix ssh process listing on FreeBSD and macOS
• Fix external clipboard change monitoring on Wayland
• Fix decrypt ability detection, don't auto recrypt secrets if not working

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