Update module github.com/urfave/cli/v2 to v2.7.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/urfave/cli/v2	require	minor	v2.6.0 -> v2.7.1

• [ ] PR contains the label that identifies the area, one of: area:operator, area:chart
• [ ] If the PR is targeting a Helm chart, add the chart label, e.g. chart:provider-postgresql

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Release Notes

urfave/cli

### [`v2.7.1`](https://togithub.com/urfave/cli/releases/tag/v2.7.1) [Compare Source](https://togithub.com/urfave/cli/compare/v2.7.0...v2.7.1) ##### What's Changed - Docs publishing fixes by [@​meatballhat](https://togithub.com/meatballhat) in [https://github.com/urfave/cli/pull/1400](https://togithub.com/urfave/cli/pull/1400) **Full Changelog**: https://github.com/urfave/cli/compare/v2.7.0...v2.7.1 ### [`v2.7.0`](https://togithub.com/urfave/cli/releases/tag/v2.7.0) [Compare Source](https://togithub.com/urfave/cli/compare/v2.6.0...v2.7.0) #### What's Changed - Generate flag types (again?) by [@​meatballhat](https://togithub.com/meatballhat) in [https://github.com/urfave/cli/pull/1382](https://togithub.com/urfave/cli/pull/1382) - Introduce a v2.x semver approval gate by [@​meatballhat](https://togithub.com/meatballhat) in [https://github.com/urfave/cli/pull/1385](https://togithub.com/urfave/cli/pull/1385) - Generate RequiredFlag and VisibleFlag implementations by [@​meatballhat](https://togithub.com/meatballhat) in [https://github.com/urfave/cli/pull/1393](https://togithub.com/urfave/cli/pull/1393) - Mkdocs setup by [@​meatballhat](https://togithub.com/meatballhat) in [https://github.com/urfave/cli/pull/1392](https://togithub.com/urfave/cli/pull/1392) - Add suggestions support ([#​977](https://togithub.com/urfave/cli/issues/977)) by [@​meatballhat](https://togithub.com/meatballhat) in [https://github.com/urfave/cli/pull/1390](https://togithub.com/urfave/cli/pull/1390) - Add suggestions support by [@​saschagrunert](https://togithub.com/saschagrunert) in [https://github.com/urfave/cli/pull/977](https://togithub.com/urfave/cli/pull/977) **Full Changelog**: https://github.com/urfave/cli/compare/v2.6.0...v2.7.0

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Configuration

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