Update dependency apple/swift-argument-parser to from: "1.8.1"

[renovate]

This PR contains the following updates:

Package	Update	Change	Pending
apple/swift-argument-parser	minor	from: "1.7.0" → from: "1.8.1"	1.8.2

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Release Notes

apple/swift-argument-parser (apple/swift-argument-parser)

v1.8.1

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Fixes

• Reverts a source compatibility regression in the 1.8.0 release, where existing calls to ParsableCommand.parse() and .parseAsRoot() were pre-empted by new async versions. The new asynchronous entry points are now named asyncParse() and asyncParseAsRoot(), respectively. Clients that have already updated their code with the await keyword can resolve the new warning by calling the new APIs or by removing the keyword. ([#​908])
• Resolves an issue with the generate-manual plugin that selected the wrong destination for the generated manual. ([#​910])

v1.8.0

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Additions

• NameSpecification and its elements now conform to ExpressibleByStringLiteral, allowing simplified option and flag name declarations. For example, [.customLong("hex-output"), .customShort("x")] can now be written as "--hex-output -x". ([#​745])
• New @Option initializers accept a defaultAsFlag: parameter, creating options that work both as a bare flag (--format) and as an option with a value (--format json). ([#​830])
• Custom completion closures for AsyncParsableCommand types are now implemented via async/await instead of via DispatchSemaphore. ([#​855])

Changes

• The minimum Swift version for swift-argument-parser has been updated to Swift 6. Users of older Swift versions can continue using version 1.7.1 of the library. ([#​882])

Fixes

• Command aliases now appear in generated man-pages for both single-page and multi-page output. ([#​891])
• Declaring @Flag var x: Bool? without an inversion: parameter now produces a useful diagnostic message. ([#​892])

The 1.8.0 release includes contributions from [bkhouri], [natecook1000], [qflen], [rauhul], and [rgoldberg]. Thank you!

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v1.7.1

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Changes

• Adds detailed documentation for providing descriptions of enum values. ([#​825])
• Adds aliases to the dump-help output. ([#​813])
• Improves zsh completions; prevents bash completion cleanup commands from being appended to shell history. ([#​864], [#​859])
• Eliminates deprecation warnings in Examples/math. ([#​879])

Fixes

• Fixes build issues in Swift 5.7-5.9. ([#​874], [#​875])
• Fixes --help output for nested subcommands with default subcommands. ([#​866])
• Prevents @OptionGroup type names from appearing in help usage strings. ([#​873])
• Fixes handling of visibility with nested option groups. ([#​838])
• Updates GitHub Actions workflows and streamlines the required checks. ([#​839], [#​843], [#​844], [#​853], [#​856], [#​857], [#​876], [#​877])

The 1.7.0 release includes contributions from [bkhouri], [bob-wilson], [jglogan],
[kphrx], [louisunlimited], [natecook1000], [rauhul], [rgoldberg], [salmanmkc],
[stackotter], and [William-Laverty]. Thank you!

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