Update Rust crate clap to v4.5.20

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
clap	dependencies	patch	4.5.4 -> 4.5.20

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Release Notes

clap-rs/clap (clap)

v4.5.20

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Features

• (unstable) Add CommandExt

v4.5.19

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Internal

• Update dependencies

v4.5.18

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Features

• (builder) Expose Arg::get_display_order and Command::get_display_order

v4.5.17

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Fixes

• (help) Style required argument groups
• (derive) Improve error messages when unsupported fields are used

v4.5.16

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Fixes

• (derive) Improve error messages when derive feature is missing

v4.5.15

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Compatiblity

• (unstable-ext) Arg::remove changed return types

Fixes

• (unstable-ext) Make Arg::remove return the removed item

v4.5.14

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Features

• (unstable-ext) Added Arg::add for attaching arbitrary state, like completion hints, to Arg without Arg knowing about it

v4.5.13

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Fixes

• (derive) Improve error message when #[flatten]ing an optional #[group(skip)]
• (help) Properly wrap long subcommand descriptions in help

v4.5.12

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v4.5.11

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v4.5.10

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v4.5.9

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Fixes

• (error) When defining a custom help flag, be sure to suggest it like we do the built-in one

v4.5.8

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Fixes

• Reduce extra flushes

v4.5.7

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Fixes

• Clean up error message when too few arguments for num_args

v4.5.6

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v4.5.5

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Fixes

• Allow exclusive to override required_unless_present, required_unless_present_any, required_unless_present_all

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