Its mostly due the more restriction on empty file names and paths with dot segments during uploads

Enterprise was still using email_marketing code. This will bump
enterprise to a version that does not any more. And also temporarily
put the email_marketing model back for blue/green deploy sanity.

* fix: pin python-slugify<5.0.0
transifex-client requires python-slugify<5.0.0 for Python 2.0 support which conflicts with the latest python-slugify version.

BOM-2191

pin pyjwt<2.0.0 version
pin social-auth-core<4.1.0

* Deletes custom get_search_results() method, since `enterprise_customer__name` is now a viable search field
* Improves pagination by asking for an estimated row count from Mysql INFORMATION_SCHEMA.TABLES
* Turns 1 + N query into 1 query via proper use of list_select_related

ENT-4384

(no ticket number)

This goes with https://github.com/edx/edx-platform/pull/27356

fix:  Fixes integrated_channels bug in learner_data transmission during course details fetch (#27303)

courseOverview model was being incorrectly used in the learner_data module of integrated_channels

ENT-4222, ENT-4428

* MST-734 Fix production issue on Learner Onboarding Status Panel
Fix the prod issue where learning sequence service object missing the needed get_user_course_outline service API
The user web API call currently returns 500

Add edx-proctoring=3.8.2 to edx-platform constraint file to prevent others from upgrading it to 3.8.3 accidentally (#27249)

This reverts commit 40878cd5.

fix: upgrade edx-enterprise to 3.20.1 and edx-rbac to 1.4.2, so that JWT role/context pairs are de-duplicated.
ENT-4357

Pillow was pinned for Python 3.5 support, which we no longer need.

- https://github.com/python-pillow/Pillow/blob/master/CHANGES.rst
- https://facelessuser.github.io/soupsieve/about/changelog/

fix: enterprise 3.18.6 | The update_role_assignments_with_customers command no longer updates records.  It only creates new records, which helps de-risk the operation.