chore(deps): upgrade FontAwesome packages to v7

[huyenltnguyen]

Checklist:

• I have read and followed the contribution guidelines.
• I have read and followed the how to open a pull request guide.
• My pull request targets the main branch of the repo.
• I have tested these changes locally on my machine.

This PR:

• Upgrades FontAwesome packages to v7
• Adds fa-width-auto class to the icons so the default behavior in v6 is preserved

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	@​fortawesome/​fontawesome-svg-core@​6.7.2 ⏵ 7.1.0			+1
	@​fortawesome/​free-solid-svg-icons@​6.7.2 ⏵ 7.1.0	+2		+1

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