Update the X(formerly twitter) icon

[swetha5157]

Description:

Updating the twitter icon with the X icon in the social links.

Screenshot:

I am a GSSoc'24 contributor.
Kindly assign this issue to me @swetha5157 and add level labels.

[github-actions]

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[github-actions]

Hello @swetha5157! Your issue #99 has been closed. Thank you for your contribution!