chore: update social media icons across Writer’s Program website

[Not-Dhananjay-Mishra]

Pull Request Template

Description

updated font-awesome version to 6.7.2 for new social media icons

Fixes #3037

Type of change

Please delete options that are not relevant.

• This change requires a documentation update

Additional Context (Please include any Screenshots/gifs if relevant)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have checked my code and corrected any misspellings
• I have signed the commit message to agree to Developer Certificate of Origin (DCO) (to certify that you wrote or otherwise have the right to submit your contribution to the project.) by adding "--signoff" to my git commit command.

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