Implement Profile Update API

[delucca]

Type of Issue

Feature Request

Description

Create an API endpoint to allow users or staff to update profile information. This should include checks to ensure data integrity and security (e.g., only the profile owner or admin can update).

Additional Context

Ensure proper validation for the updated fields (e.g., valid email format), and ensure that profile data changes are securely saved while respecting permission levels.

Acceptance Criteria

1. Profile update endpoint is implemented.
2. Input validation is in place for updating profile fields.
3. Permission checks ensure only authorized users or staff can update profiles.
4. Updated profiles are correctly saved in the database.