Update module github.com/urfave/cli/v2 to v2.4.0

This MR contains the following updates:

Package	Type	Update	Change
github.com/urfave/cli/v2	require	minor	v2.3.0 -> v2.4.0

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Release Notes

urfave/cli

v2.4.0

Compare Source

These release notes were written for the git hash https://github.com/urfave/cli/commit/7b2e60968b20976f8acdf71f7e9b4c07bf853f5c.

Fixed

• Fixed incorrect Help Name in #​1202 via @​fxrlv
• Fixed a bug where Context.Value did not look across all fileSets when looking for a named flag in #​1210 via @​jcgregorio
• Fixed an issue with flags being set by parent context's (IntSlice, Int64Slice) in #​1214 via @​anicoll
• Fixed a bug where App.Reader was not correctly propagated to the subcommands in #​1225 via @​Coderlane
• Fixed example code input arguments in #​1226 via @​Coderlane
• Fixed a bug where default value would changed when parsing slice flags in #​1236 via @​vipally
• Fixed a bug where slice flag values don't append default values from ENV or a file in #​1239 via @​vipally
• Fixed indentation on help text in #​1279 via @​rliebz
• Fixed a Go 1.17 compatibility issue for a test case in #​1277 via @​GlenPickle
• Fixed a nil pointer panic when getting cli/context flagSet in UsageError function in #​1327 via @​WUST-mengqinyu
• Fix strconv.ParseFloat usage in #​1335 via @​kolyshkin
• Improve handling of file flags in #​1336 via @​kolyshkin

Changed

• Improve help text for Slice flags in #​1208 via @​Madhur1997
• Update GitHub actions in #​1212 via @​jcgregorio
• Fix typo in documentation in #​1216 via @​wgumenyuk
• Improve Man Page in #​1227 via @​bobuhiro11
• Remove duplicate comment in #​1232 via @​corburn
• Improve how UsageText appears when viewing help from subcommands in #​1255 via @​cpacifying
• Remove reflect calls for Hidden flags feature in #​1258 via @​dearchap
• Refactor and Cleanup context in #​1264 via @​dearchap
• Fix grammatical error in documentation in #​1281 via @​imaskm
• Improve documentation in #​1304 via @​JayCeeJr
• Improve Man Page in #​1311 via @​jolheiser
• Improve migration documentation in #​1317 via @​tlimoncelli
• Improve migration documentation in #​1319 via @​mritunjaysharma394
• Fixed assertion function in test cases in #​1320 via @​anthonyfok
• Update markdown library dependency in #​3121 via @​anthonyfok
• Update yaml library dependency in #​1326 via @​mildaniel
• Remove useless variable declaration in #​1330 via @​chenxiao-zhao
• Improve migration documentation in #​1340 via @​infraredgirl

Added

• Added support for Go 1.15 in #​1200 via @​asahasrabuddhe
• Add link to pkg.go.dev in manual.md in #​1207 via @​bbkane
• Add link to GoDoc for v2 in #​1228 via @​zwass
• Add Destination field to the TimeStamp flag in #​1251 via @​davidsbond
• Add support for Go 1.16 in #​1270 via @​rliebz
• Add description and usage text in generated documentation in #​1287 via @​subpop
• Add support for Go 1.17 in #​1323 via @​rliebz

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