Fixed typo in _factory.py

[robianmcd]

No description provided.

[msftclas]

This seems like a small (but important) contribution, so no Contribution License Agreement is required at this point. We will now review your pull request.
Thanks,
Microsoft Pull Request Bot

[codecov-io]

Codecov Report

Merging #3756 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3756   +/-   ##
=======================================
  Coverage   72.14%   72.14%           
=======================================
  Files         421      421           
  Lines       26010    26010           
  Branches     3943     3943           
=======================================
  Hits        18765    18765           
- Misses       6026     6029    +3     
+ Partials     1219     1216    -3

Impacted Files	Coverage Δ
...rage/azure/cli/command_modules/storage/_factory.py	98.18% <ø> (ø)	⬆️
src/azure-cli-core/azure/cli/core/util.py	70.06% <0%> (ø)	⬆️
...dback/azure/cli/command_modules/feedback/custom.py	31.25% <0%> (ø)	⬆️
...nent/azure/cli/command_modules/component/custom.py	16.23% <0%> (ø)	⬆️

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