CLI-1334: TypeError in auth:login

[danepowell]

Unfortunately validation exceptions occur during container builds and therefore bypass our lovely error handler. Not much we can do about that except to write a whole new error handler just for the container build step.

[github-actions]

Try the dev build for this PR: https://acquia-cli.s3.amazonaws.com/build/pr/1739/acli.phar

curl -OL https://acquia-cli.s3.amazonaws.com/build/pr/1739/acli.phar
chmod +x acli.phar

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.70%. Comparing base (e2b4f21) to head (4c560b2).

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1739      +/-   ##
============================================
+ Coverage     91.67%   91.70%   +0.03%     
+ Complexity     1810     1805       -5     
============================================
  Files           121      121              
  Lines          6474     6474              
============================================
+ Hits           5935     5937       +2     
+ Misses          539      537       -2     

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