Fix eval refresh not finding role arn

[jackjen]

Fixes eval --refresh not finding the AWS_SSO_ROLE_ARN env var

[codecov]

Codecov Report

Merging #443 (38e21fa) into main (3c9d510) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #443   +/-   ##
=======================================
  Coverage   78.34%   78.34%           
=======================================
  Files          23       23           
  Lines        2613     2613           
=======================================
  Hits         2047     2047           
  Misses        498      498           
  Partials       68       68           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3c9d510...38e21fa. Read the comment docs.