dev: Update rspec-rails to v7.1

[tvdeyen]

https://github.com/rspec/rspec-rails/blob/main/Changelog.md

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.59%. Comparing base (64db6ad) to head (c757b11).
Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3084   +/-   ##
=======================================
  Coverage   96.59%   96.59%           
=======================================
  Files         236      236           
  Lines        6337     6337           
=======================================
  Hits         6121     6121           
  Misses        216      216           

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