Update dependency @fortawesome/fontawesome-free to v5.15.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@fortawesome/fontawesome-free (source)	5.13.1 -> 5.15.4

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Release Notes

FortAwesome/Font-Awesome

v5.15.4

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Changed

• Removed the tripadvisor brand icon by request of Tripadvisor
• Update bug, bullseye, drone, icons #​17800 #​17106 #​17730
• Update bootstrap, discord, figma, and font-awesome-* brand icons #​17436

Fixed

• Made font-family matching case-insensitive for SVG + JavaScript version of Font Awesome #​17860
• Corrected missing version hospital-user #​17435
• Removed useless .tgz file in @​fortawesome/fontawesome-pro and all @​fortawesome/pro-*-svg-icons

v5.15.3

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Changed

• Updated air-freshener's design due to trademark violation notice

v5.15.2

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Changed

• Support release to improve Font Awesome Kits performance

v5.15.1

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Changed

• Update to the ravelry brand icon

Fixed

• Removed fill attribute from the vest and vest-patches icon
• Moved attribution comment to correct location for sprites
• Fixed duotone icons not rendering in Kits

v5.15.0

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Minor version upgrade notice: there are some backward-incompatible changes to this release. See the UPGRADING.md guide for more information.

Added

• Added guilded, hive, innosoft, instalod, ns8, octopus-deploy, perbyte, uncharted, watchman-monitoring, wodu sponsored brand icons
• Added commissioned vest and vest-patch icon
• Added cloudflare brand icon

Changed

• Removed the adobe icon at the request of Adobe
• Update rocketchat brand icon

Fixed

• Conflict detection now includes Kits when checking for conflicts

v5.14.0

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Minor version upgrade notice: there are some backward-incompatible changes to this release. See the UPGRADING.md guide for more information.

Fixed

• Corrected rendering issue with the tripadvisor brand icon in Windows 10 #​16817
• Corrected unicode values that were outside the Unicode Private Use Area (PUA) #​16804

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