* Pin requirements to temporarily fix instructor task registration

We ran into an issue where instructor tasks were not being registered with celery correctly, resulting in: https://openedx.atlassian.net/browse/CR-2982

The cause wasn’t clear, so we started reverting some recent, suspect PRs.  When we reverted #25746, the issue went away.

The revert PR was this one: https://github.com/edx/edx-platform/pull/25766

So that we can unpause our deployment pipelines, we’re temporarily pinning the versions of the four packages upgraded in #25746 so we can continue to investigate.

* Result of make upgrade, propagating constraints out to other requirements files

ARCHBOM-1536: Adding edx/event-routing-backed to requriments and eventtracking app to installed_apps (#25706)

* ARCHBOM-1536: Adding edx/event-routing-backed library in requirements

* Adding eventtracking app to INSTALLED_APPS

This is required because edx-platform uses the waffle API from
completion, which itself depends on edx-toggles. So if we change
edx-toggles import paths, we also need to upgrade our usage of
completion here.

Includes additional monitoring of celery tasks
in supercsv.

ARCHBOM-1636

* Rolling back edx-enterprise to 3.12.3

Rolling back breaking changes from adding end_date to metadata

ENT-3627

Upgrade enterprise to 3.12.3 to get code_owner
monitoring for celery tasks.

ARCHBOM-1260

Refresh enterprise catalog metadata on create and update

ARCHBOM-1260

Co-authored-by: Tim McCormack <tmccormack@edx.org>