Pin dependency @fortawesome/fontawesome-free to 6.4.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
@fortawesome/fontawesome-free (source)	devDependencies	pin	^6.4.2 -> 6.4.2

Add the preset :preserveSemverRanges to your config if you don't want to pin your dependencies.

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.