Update cc-rs version requirement in Cargo.toml to what has been tested.

[briansmith]

prefer_clang_cl_over_msvc requires a newer version of cc-rs.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.45%. Comparing base (fc6c02f) to head (18bdba0).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2866   +/-   ##
=======================================
  Coverage   96.45%   96.45%           
=======================================
  Files         204      204           
  Lines       20409    20409           
  Branches      521      521           
=======================================
  Hits        19685    19685           
  Misses        601      601           
  Partials      123      123           

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