Fix Conan on macOS (another one)

[kevinbackhouse]

One more that I missed in #1942.
I also updated the Conan version to be the same as the other platforms.

[codecov]

Codecov Report

Merging #1943 (a81455e) into main (458a60b) will not change coverage.
The diff coverage is n/a.

❗ Current head a81455e differs from pull request most recent head a0cff12. Consider uploading reports for the commit a0cff12 to get more accurate results

@@           Coverage Diff           @@
##             main    #1943   +/-   ##
=======================================
  Coverage   61.12%   61.12%           
=======================================
  Files          96       96           
  Lines       19068    19068           
  Branches     9745     9745           
=======================================
  Hits        11656    11656           
  Misses       5093     5093           
  Partials     2319     2319           

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[clanmills]

The lights are green, so let's go. Thanks for dealing with this.