fix: Caching of sentry migrations should cover additional folders

[hubertdeng123]

We need to care about more than just src/sentry/migrations. We will need to account for files in src/sentry/**/migrations/*

Taken from https://github.com/getsentry/sentry/blob/afd74698180066223dee53991b7db26ca80ea3e5/.github/file-filters.yml#L90

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.45%. Comparing base (52a1901) to head (31f2395).
Report is 1 commits behind head on master.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3542   +/-   ##
=======================================
  Coverage   99.45%   99.45%           
=======================================
  Files           3        3           
  Lines         184      184           
=======================================
  Hits          183      183           
  Misses          1        1           

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