Upgrade problem builder from 4.1.8 to 4.1.10 (#6263)
Upgrade problem builder from 4.1.8 to 4.1.10 (#6263)

Incorporates xblock-problem-builder fix to
correctly import edx-platform code pre-Koa,
on Koa, and after Koa.
edx/configuration,EDUlib/configuration,arbrandes/edx-configuration,edx/configuration,mitodl/configuration,arbrandes/edx-configuration,arbrandes/edx-configuration,EDUlib/configuration,arbrandes/edx-configuration,edx/configuration,edx/configuration,mitodl/configuration,EDUlib/configuration,mitodl/configuration,arbrandes/edx-configuration,EDUlib/configuration,EDUlib/configuration,mitodl/configuration