fix(deps): update dependency yargs to v15

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
yargs (source)	dependencies	major	14.2.2 -> 15.3.1

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Release Notes

yargs/yargs

v15.3.1

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v15.3.0

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Features

• yargs-parser: introduce single-digit boolean aliases (#​1576) (3af7f04)
• add usage for single-digit boolean aliases (#​1580) (6014e39)

Bug Fixes

• address ambiguity between nargs of 1 and requiresArg (#​1572) (a5edc32)

v15.2.0

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⚠ BREAKING CHANGES

• deps: yargs-parser@17.0.0 no longer implicitly creates arrays out of boolean
  arguments when duplicates are provided

Features

• completion: takes negated flags into account when boolean-negation is set (#​1509) (7293ad5)
• deps: pull in yargs-parser@17.0.0 (#​1553) (b9409da)
• deprecateOption (#​1559) (8aae333)
• display appropriate $0 for electron apps (#​1536) (d0e4379)
• introduces strictCommands() subset of strict mode (#​1540) (1d4cca3)
• deps: yargs-parser with 'greedy-array' configuration (#​1569) (a03a320)

Bug Fixes

• help always displayed for the first command parsed having an async handler (#​1535) (d585b30)
• deps: fix enumeration for normalized path arguments (#​1567) (0b5b1b0)
• locales: only translate default option group name (acc16de)
• locales: remove extra space in French for 'default' (#​1564) (ecfc2c4)
• translations: add French translation for unknown command (#​1563) (18b0b75)
• translations: fix pluralization in error messages. (#​1557) (94fa38c)
• yargs: correct support of bundled electron apps (#​1554) (a0b61ac)

v15.1.0

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Features

• lang: add Finnish localization (language code fi) (222c8fe)
• complete short options with a single dash (#​1507) (99011ab)
• onFinishCommand handler (#​1473) (fe380cd)

Bug Fixes

• getCompletion() was not working for options (#​1495) (463feb2)
• misspelling of package.json engines field (0891d0e)
• populate positionals when unknown-options-as-args is set (#​1508) (bb0f2eb), closes #​1444
• show 2 dashes on help for single digit option key or alias (#​1493) (63b3dd3)
• docs: use recommended cjs import syntax for ts examples (#​1513) (f9a18bf)

15.0.2 (2019-11-19)

Bug Fixes

• temporary fix for libraries that call Object.freeze() (#​1483) (99c2dc8)

15.0.1 (2019-11-16)

Bug Fixes

• deps: cliui, find-up, and string-width, all drop Node 6 support (#​1479) (6a9ebe2)

v15.0.2

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v15.0.1

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v15.0.0

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⚠ BREAKING CHANGES

• deps: yargs-parser now throws on invalid combinations of config (#​1470)
• yargs-parser@16.0.0 drops support for Node 6
• drop Node 6 support (#​1461)
• remove package.json-based parserConfiguration (#​1460)

Features

• deps: yargs-parser now throws on invalid combinations of config (#​1470) (c10c38c)
• expose Parser from require('yargs/yargs') (#​1477) (1840ba2)

Bug Fixes

• docs: TypeScript import to prevent a future major release warning (#​1441) (b1b156a)
• stop-parse was not being respected by commands (#​1459) (12c82e6)
• update to yargs-parser with fix for array default values (#​1463) (ebee59d)
• docs: update boolean description and examples in docs (#​1474) (afd5b48)

Miscellaneous Chores

• drop Node 6 support (#​1461) (2ba8ce0)

Code Refactoring

• remove package.json-based parserConfiguration (#​1460) (0d3642b)

v14.2.3

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[coveralls]

Coverage remained the same at 80.638% when pulling 49ee3be on renovate/yargs-15.x into 10ca63f on master.