Update Font Awesome

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@fortawesome/fontawesome-svg-core (source)	^1.2.32 -> ^1.2.34
@fortawesome/free-brands-svg-icons (source)	^5.15.1 -> ^5.15.2
@fortawesome/free-solid-svg-icons (source)	^5.15.1 -> ^5.15.2

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Release Notes

FortAwesome/Font-Awesome

### [`v5.15.2`](https://togithub.com/FortAwesome/Font-Awesome/blob/master/CHANGELOG.md#​5152-httpsgithubcomFortAwesomeFont-Awesomereleasestag5152---2021-01-13) [Compare Source](https://togithub.com/FortAwesome/Font-Awesome/compare/5.15.1...5.15.2) ##### Changed - Support release to improve Font Awesome Kits performance * * *

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