Revert wrong fix, apply correct fix for #9513

[ThomasWaldmann]

This reverts commit 9d5687d. The env vars added were already set in the job's env section. Also, it did not fix #9513.

To fix #9513, the MSYS2 env vars needed to be added to the canary CI workflow file.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.40%. Comparing base (9d5687d) to head (e9a7349).
⚠️ Report is 6 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #9543   +/-   ##
=======================================
  Coverage   83.39%   83.40%           
=======================================
  Files          87       87           
  Lines       15469    15469           
  Branches     2321     2321           
=======================================
+ Hits        12901    12902    +1     
  Misses       1818     1818           
+ Partials      750      749    -1     

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