Fix slackWebhook Typos

[gaspergrom]

Changes proposed ✍️

What

🤖 Generated by Copilot at cc14501

Fixed a typo in the slackWebHook property name in the settingsRepository.ts file. This ensures that the Slack webhook URL is stored and retrieved correctly for notifications.
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🤖 Generated by Copilot at cc14501

slackWebHook fixed
A typo caused confusion
Autumn of errors

Why

How

🤖 Generated by Copilot at cc14501

• Fix casing of slackWebHook property in settings repository (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.