Update module github.com/urfave/cli/v2 to v2.8.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/urfave/cli/v2	require	minor	v2.4.4 -> v2.8.1

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Release Notes

urfave/cli

v2.8.1

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What's Changed

• Run docs tests against current work tree by @​meatballhat in https://github.com/urfave/cli/pull/1403
• Remove GPL2 dependency introduced in v2.7.0 by @​AkihiroSuda in https://github.com/urfave/cli/pull/1405

Full Changelog: urfave/cli@v2.8.0...v2.8.1

v2.8.0

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What's Changed

• Add flag category support (#​796) by @​michaeljs1990 / @​meatballhat in https://github.com/urfave/cli/pull/1368
• Introduce override hooks for suggestions by @​meatballhat in https://github.com/urfave/cli/pull/1396
• Point to the docs tree and site from top-level README by @​meatballhat in https://github.com/urfave/cli/pull/1399

Full Changelog: urfave/cli@v2.7.2...v2.8.0

v2.7.2

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What's Changed

• Auto-detect zsh via SHELL (#​1218) by @​z0rc / @​meatballhat in https://github.com/urfave/cli/pull/1350
• Merging mostynb report source of parse errors by @​meatballhat in https://github.com/urfave/cli/pull/1354
• Report the source of a value when we cannot parse it by @​mostynb in https://github.com/urfave/cli/pull/1168
• Add a security policy document by @​meatballhat in https://github.com/urfave/cli/pull/1365

Full Changelog: urfave/cli@v2.7.1...v2.7.2

v2.7.1

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What's Changed

• Docs publishing fixes by @​meatballhat in https://github.com/urfave/cli/pull/1400

Full Changelog: urfave/cli@v2.7.0...v2.7.1

v2.7.0

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What's Changed

• Generate flag types (again?) by @​meatballhat in https://github.com/urfave/cli/pull/1382
• Introduce a v2.x semver approval gate by @​meatballhat in https://github.com/urfave/cli/pull/1385
• Generate RequiredFlag and VisibleFlag implementations by @​meatballhat in https://github.com/urfave/cli/pull/1393
• Mkdocs setup by @​meatballhat in https://github.com/urfave/cli/pull/1392
• Add suggestions support (#​977) by @​meatballhat in https://github.com/urfave/cli/pull/1390
• Add suggestions support by @​saschagrunert in https://github.com/urfave/cli/pull/977

Full Changelog: urfave/cli@v2.6.0...v2.7.0

v2.6.0

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What's Changed

• Simplified flag value access by @​toaster in https://github.com/urfave/cli/pull/1367

New Contributors

• @​toaster made their first contribution in https://github.com/urfave/cli/pull/1367

Full Changelog: urfave/cli@v2.5.1...v2.6.0

v2.5.1

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What's Changed

• Cleaning up some release-related metadata & docs by @​meatballhat in https://github.com/urfave/cli/pull/1371
• Accept multi-value input on slice flags (#​1241) by @​meatballhat in https://github.com/urfave/cli/pull/1377
• Accept multi-value input on slice flags by @​vipally in https://github.com/urfave/cli/pull/1241

Full Changelog: urfave/cli@v2.5.0...v2.5.1

v2.5.0

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What's Changed

• Add urfave_cli_no_docs build tag by @​kolyshkin in https://github.com/urfave/cli/pull/1375

Full Changelog: urfave/cli@v2.4.10...v2.5.0

v2.4.10

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What's Changed

• Exclude hidden sub-command flags from docs by @​jolheiser in https://github.com/urfave/cli/pull/1346

Full Changelog: urfave/cli@v2.4.9...v2.4.10

v2.4.9

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What's Changed

• Remove some unused code by @​53jk1 in https://github.com/urfave/cli/pull/1374
• Do not apply altsrc input values that are not set by @​meatballhat in https://github.com/urfave/cli/pull/1376

New Contributors

• @​53jk1 made their first contribution in https://github.com/urfave/cli/pull/1374

Full Changelog: urfave/cli@v2.4.8...v2.4.9

v2.4.8

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What's Changed

• Allow -ve values for int, float & duration by @​dearchap in https://github.com/urfave/cli/pull/1262

Full Changelog: urfave/cli@v2.4.7...v2.4.8

v2.4.7

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What's Changed

• Add test case for short option handling by @​dearchap in https://github.com/urfave/cli/pull/1260

Full Changelog: urfave/cli@v2.4.6...v2.4.7

v2.4.6

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What's Changed

• Unshadow context package by @​meatballhat in https://github.com/urfave/cli/pull/1370

Full Changelog: urfave/cli@v2.4.5...v2.4.6

v2.4.5

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What's Changed

• Pass non-empty string slice to example app Run by @​meatballhat in https://github.com/urfave/cli/pull/1364
• Revert "Add Stale bot configuration per docs" by @​meatballhat in https://github.com/urfave/cli/pull/1366

Full Changelog: urfave/cli@v2.4.4...v2.4.5

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