User can't import Github avatar

[nfrgosselin]

Overview
A user is trying to import their Github avatar to their Gitcoin profile but it won't persist.

Steps To Reproduce

1. Impersonate user ncookiez
2. Go to My Account -> Settings -> Account
3. Scroll down to Profile Photo
4. Click "Use Github Avatar" (you should see success message)
5. Refresh page

Observed behavior
The Gitcoin avatar reverts back to our default image

Expected behavior
The user's avatar should remain as the Github avatar

Additional context
More detail can be found in this Discord thread