[CAL-5152] chore: replace toaster with sonner

[PeerRich]

https://sonner.emilkowal.ski/

_CAL-5152

[PeerRich]

its simply better

[PeerRich]

/bounty 20

[algora-pbc]

💎 $20 bounty • Cal.com, Inc.

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[utkershrajvenshi]

@PeerRich I'd like to take this up

[utkarsh125]

Is the issue still assignable?