chore(deps): update ⬆️ golang module github.com/bitfield/script to v0.21.4

[mend-for-github-com[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/bitfield/script	require	minor	v0.20.2 -> v0.21.4

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Release Notes

bitfield/script

### [`v0.21.4`](https://togithub.com/bitfield/script/compare/v0.21.3...v0.21.4) [Compare Source](https://togithub.com/bitfield/script/compare/v0.21.3...v0.21.4) ### [`v0.21.3`](https://togithub.com/bitfield/script/compare/v0.21.2...v0.21.3) [Compare Source](https://togithub.com/bitfield/script/compare/v0.21.2...v0.21.3) ### [`v0.21.2`](https://togithub.com/bitfield/script/compare/v0.21.1...v0.21.2) [Compare Source](https://togithub.com/bitfield/script/compare/v0.21.1...v0.21.2) ### [`v0.21.1`](https://togithub.com/bitfield/script/compare/v0.21.0...v0.21.1) [Compare Source](https://togithub.com/bitfield/script/compare/v0.21.0...v0.21.1) ### [`v0.21.0`](https://togithub.com/bitfield/script/compare/v0.20.2...v0.21.0) [Compare Source](https://togithub.com/bitfield/script/compare/v0.20.2...v0.21.0)

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