feat: add migrate shell script to encapsulate migration logic

[adrian-codecov]

Purpose/Motivation

On top of the usual django migrate.py script we usually run, we're adding another django command that creates DB partitions. Because of that, we're creating a dedicated script to run these commands

What does this PR do?

• Add a migrate.sh shell script with migration logic
• Adjust dev + staging scripts to call the migrate scripts
• Ensure we delete that migration script from the dockerfile

Legal Boilerplate

Look, I get it. The entity doing business as "Sentry" was incorporated in the State of Delaware in 2015 as Functional Software, Inc. In 2022 this entity acquired Codecov and as result Sentry is going to need some rights from me in order to utilize my contributions in this PR. So here's the deal: I retain all rights, title and interest in and to my contributions, and by keeping this boilerplate intact I confirm that Sentry can use, modify, copy, and redistribute my contributions, under Sentry's choice of terms.

[codecov-qa]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.51%. Comparing base (5077d4e) to head (89c44e6).

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #427   +/-   ##
=======================================
  Coverage   91.51%   91.51%           
=======================================
  Files         602      602           
  Lines       16376    16376           
=======================================
  Hits        14987    14987           
  Misses       1389     1389           

Flag	Coverage Δ
unit	91.51% <ø> (ø)
unit-latest-uploader	91.51% <ø> (ø)

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[codecov-public-qa]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.51%. Comparing base (5077d4e) to head (89c44e6).

✅ All tests successful. No failed tests found ☺️

@@           Coverage Diff           @@
##             main     #427   +/-   ##
=======================================
  Coverage   91.51%   91.51%           
=======================================
  Files         602      602           
  Lines       16376    16376           
=======================================
  Hits        14987    14987           
  Misses       1389     1389           

Flag	Coverage Δ
unit	91.51% <ø> (ø)
unit-latest-uploader	91.51% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

[codecov-staging]

Codecov Report

All modified and coverable lines are covered by tests ✅

✅ All tests successful. No failed tests found.

📢 Thoughts on this report? Let us know!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.79%. Comparing base (5077d4e) to head (89c44e6).

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #427   +/-   ##
=====================================
  Coverage   95.79   95.79           
=====================================
  Files        777     777           
  Lines      17232   17232           
=====================================
  Hits       16506   16506           
  Misses       726     726           

Flag	Coverage Δ
unit	91.51% <ø> (ø)
unit-latest-uploader	91.51% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.