New profile picture feature

[UdaySagar-Git]

Proposed Changes

• A new bucket for storing profile images of users
• API endpoints to upload/update profile picture of user

Frontend pr : https://github.com/coronasafe/care_fe/pull/7995

Merge Checklist

• [ ] Tests added/fixed
• [ ] Update docs in /docs
• [ ] Linting Complete
• [ ] Any other necessary step

Only PR's with test cases included and passing lint and test pipelines will be reviewed

@coronasafe/care-backend-maintainers @coronasafe/care-backend-admins