Update clap requirement from 2.33 to 4.0

[dependabot]

Updates the requirements on clap to permit the latest version.

Changelog

Sourced from clap's changelog.

[4.0.0] - 2022-09-28

Highlights

Arg::num_args(range)

Clap has had several ways for controlling how many values will be captured without always being clear on how they interacted, including

• Arg::multiple_values(true)
• Arg::number_of_values(4)
• Arg::min_values(2)
• Arg::max_values(20)
• Arg::takes_value(true)

These have now all been collapsed into Arg::num_args which accepts both single values and ranges of values. num_args controls how many raw arguments on the command line will be captured as values per occurrence and independent of value delimiters.

See Issue 2688 for more background.

Polishing Help

Clap strives to give a polished CLI experience out of the box with little ceremony. With some feedback that has accumulated over time, we took this release as an opportunity to re-evaluate our --help output to make sure it is meeting that goal.

In doing this evaluation, we wanted to keep in mind:

• Whether other CLIs had ideas that make sense to apply
• Providing an experience that fits within the rest of applications and works across all shells

Before:

git
A fictional versioning CLI
USAGE:
git <SUBCOMMAND>
OPTIONS:
-h, --help    Print help information
SUBCOMMANDS:
add      adds things
clone    Clones repos
help     Print this message or the help of the given subcommand(s)
push     pushes things
stash

... (truncated)

Commits

• 3a74d82 chore: Release
• 9cd1939 Merge pull request #4269 from epage/usage
• cb1cd67 fix(error): Include failed arg in usage in --flag=bad-value error
• 12d76d6 fix(error): Include 'Usage:' title in --flag=bad-value error
• 3a8d2a5 test(parser): Verify existing --flag=bad-value case
• c7dd03e Merge pull request #4267 from jpgrayson/override-usage-help-4
• f925ca8 docs: Clarify how to use examples
• 7dd216b docs: Update multiline usage override rules
• a0c8c7d docs: Clean up StyledStr entries
• 01672f8 chore: Release
• Additional commits viewable in compare view

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