fix github webhook early return

[garrrikkotua]

Changes proposed ✍️

What

🤖 Generated by Copilot at 334afe5

Fixed a bug in GithubIntegrationService that prevented webhook creation. Removed an unnecessary return statement from createGithubWebhook method in backend/src/serverless/integrations/services/integrations/githubIntegrationService.ts.
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🤖 Generated by Copilot at 334afe5

createGithubWebhook
No more early return - bug fixed
Webhooks blossom in spring

Why

How

🤖 Generated by Copilot at 334afe5

• Fix bug that prevented webhook creation for Github integrations by removing unnecessary return statement (link)

Checklist ✅

• Label appropriately with Feature, Improvement, or Bug.
• Add screehshots to the PR description for relevant FE changes
• New backend functionality has been unit-tested.
• API documentation has been updated (if necessary) (see docs on API documentation).
• Quality standards are met.