[5.1] Update FontAwesome to 6.5.1

[C-Lodder]

Summary of Changes

Update FontAwesome to 6.5.1

This also fixes a bug that was showing a warning in the Firefox dev console:

[Fedik]

I have tested this item ✅ successfully on 03752b6

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[brianteeman]

From previous comments non-security dependency updates are done by the release lead as part of the beta release process

[Fedik]

Can this be related to?

• Fontawesome 5 error randomly on j5 #42611

[brianteeman]

Can this be related to?

• Fontawesome 5 error randomly on j5 #42611

anything is possible

[trananhmanh89]

Can this be related to?

• Fontawesome 5 error randomly on j5 #42611

Does this pr affect to fontawesome of atum template?

[viocassel]

I have tested this item ✅ successfully on 03752b6

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[richard67]

RTC

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42721.}

[richard67]

RTC

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42721.}