ci(deps): Update Font Awesome to v6 (major)

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@fortawesome/fontawesome-svg-core (source)	^1.3.0 -> ^6.6.0
@fortawesome/free-brands-svg-icons (source)	^5.15.4 -> ^6.6.0
@fortawesome/free-solid-svg-icons (source)	^5.15.4 -> ^6.6.0

:warning: MAJOR MAJOR MAJOR :warning:

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Release Notes

FortAwesome/Font-Awesome (@​fortawesome/fontawesome-svg-core)

### [`v6.6.0`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.6.0) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.5.2...6.6.0) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.5.2`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.5.2) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.5.1...6.5.2) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.5.1`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.5.1) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.5.0...6.5.1) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.5.0`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.5.0) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.4.2...6.5.0) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.4.2`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.4.2) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.4.0...6.4.2) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.4.0`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.4.0) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.3.0...6.4.0) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.3.0`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.3.0) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.2.1...6.3.0) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.2.1`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.2.1) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.2.0...6.2.1) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.2.0`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.2.0) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.1.2...6.2.0) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.1.2`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.1.2) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.1.1...6.1.2) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.1.1`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.1.1) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/6.1.0...6.1.1) **Change log available at https://fontawesome.com/docs/changelog/** ### [`v6.1.0`](https://togithub.com/FortAwesome/Font-Awesome/releases/tag/6.1.0) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/a322a3c6e8b2fa6781b9887d1ca3442b076e0a38...6.1.0) **Change log available at https://fontawesome.com/docs/changelog/**

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