fix(deps): update dependency @fortawesome/fontawesome-free to v5.15.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
@fortawesome/fontawesome-free (source)	dependencies	minor	5.14.0 -> 5.15.0

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Release Notes

FortAwesome/Font-Awesome

v5.15.0

Compare Source

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

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