test(apple): add unit tests for Fastfile injection

[philprime]

• Adds unit tests to inject sentry cli into Fastfile
• Changed the import of @clack/prompts to fix mocking

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.97%. Comparing base (b82807c) to head (2955173).
Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #786      +/-   ##
==========================================
+ Coverage   46.06%   47.97%   +1.90%     
==========================================
  Files          52       52              
  Lines        3523     3525       +2     
  Branches      892      893       +1     
==========================================
+ Hits         1623     1691      +68     
+ Misses       1696     1642      -54     
+ Partials      204      192      -12     

Flag	Coverage Δ
e2e-tests	85.29% <ø> (ø)
unit-tests	46.47% <100.00%> (+1.98%)	⬆️

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.

[philipphofmann]

LGTM, with two minor comments. Thanks for adding all the tests.