Update fortawesome to the latest version 🚀

There have been updates to the fortawesome monorepo:

• The dependency @fortawesome/fontawesome-svg-core was updated from 1.2.4 to 1.2.5.
• The dependency @fortawesome/free-regular-svg-icons was updated from 5.3.1 to 5.4.0.
• The dependency @fortawesome/free-solid-svg-icons was updated from 5.3.1 to 5.4.0.

These versions are not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

This monorepo update includes releases of one or more dependencies which all belong to the fortawesome group definition.

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Find out more about this release.

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