Fix simple typo: internaly -> internally

[timgates42]

Issue Type

[x] Bug (Typo)

Steps to Replicate

1. Examine rest_framework_social_oauth2/oauth2_endpoints.py.
2. Search for internaly.

Expected Behaviour

1. Should read internally.

Semi-automated issue generated by
https://github.com/timgates42/meticulous/blob/master/docs/NOTE.md

To avoid wasting CI processing resources a branch with the fix has been
prepared but a pull request has not yet been created. A pull request fixing
the issue can be prepared from the link below, feel free to create it or
request @timgates42 create the PR. Alternatively if the fix is undesired please
close the issue with a small comment about the reasoning.

https://github.com/timgates42/django-rest-framework-social-oauth2/pull/new/bugfix_typo_internally

Thanks.

[wagnerdelima]

Hi all.

My team and I are constantly using this framework and it seems it has died out there. I contacted the owner by email asking if he would add some of us as maintainers so we could continue to improve it. However we didn't get a response.

I am publishing the project under my profile and we are going to continue to invest time in it.

So I would like to gently ask you to contribute to this project on: https://github.com/wagnerdelima/drf-social-oauth2

Thank you for understanding.