Bug fix for edx-exams

Merge pull request #1119 from openedx/alangsto/fix_user_id

fix: user id should be an integer, not a string

4.15.0 edx-exams support

https://github.com/openedx/edx-proctoring/blob/master/CHANGELOG.rst#4150---2023-03-16

4.14.0 Expand JS worker interface with attempt id

https://github.com/openedx/edx-proctoring/blob/master/CHANGELOG.rst#4140---2023-02-28

4.13.3 update celery version to match platform

https://github.com/openedx/edx-proctoring/blob/master/CHANGELOG.rst#4133---2022-12-2

4.13.2 Fix onboarding expiration messaging to not say expiring soon after expiration

https://github.com/openedx/edx-proctoring/blob/master/CHANGELOG.rst#4132---2022-10-27

Adjust onboarding exam time to one year

https://github.com/openedx/edx-proctoring/blob/master/CHANGELOG.rst#4131---2022-10-27

4.13.0 Do not use course due date when a timed exam has one specified

https://github.com/openedx/edx-proctoring/blob/master/CHANGELOG.rst#4130---2022-10-26

4.12.2 Add external id to attempt endpoint

https://github.com/openedx/edx-proctoring/blob/master/CHANGELOG.rst#4122---2022-10-19

Revert eslint migration

Merge pull request #1072 from openedx/alangsto/test_revert

Revert eslint migration

4.12.0 Exam registration API endpoint

https://github.com/openedx/edx-proctoring/blob/master/CHANGELOG.rst#4120---2022-08-29