refactor: use WebhookService in payments router

[zomars]

What does this PR do?

Follow up to #15929

Refactored the payment webhooks integration to use WebhookService for sending payloads.

What changed?

• Replaced direct sendPayload and getWebhooks calls with WebhookService.
• Updated import statements to reflect these changes.
• Simplified code for sending webhook payloads by utilizing WebhookService.

How to test?

1. Trigger a booking payment event.
2. Verify that the webhook payload is sent correctly using the new WebhookService.
3. Check email notifications for No Show Fee Charged.

Why make this change?

This change aims to reduce code duplication and improve maintainability by using the WebhookService for handling webhook payload sending.

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Checklist

• I haven't read the contributing guide
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[zomars]

• fix: ensures tRPC definitions are built before starting dev scripts #16111
• fix: trpc config to catch previously uncaught errors #16110
• fix: uncaught types errors in invite members team handler #16109
• refactor: use WebhookService in payments router #16108 👈
• fix: uncaught PaymentService typings in payment utils #16107
• fix: uncaught errors in sendPayload #16106
• fix: uncaught errors in WebhookService #16105
• fix: uncaught errors in PaymentService #16104
• main

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[graphite-app]

Graphite Automations

"Add foundation team as reviewer" took an action on this PR • (08/06/24)

1 reviewer was added to this PR based on Keith Williams's automation.

[github-actions]

E2E results are ready!

• Attempt #28508.1 results

[joeauyeung]

LGTM

[zomars]

Merge activity

• Aug 15, 4:03 PM EDT: @zomars merged this pull request with Graphite.