cli/command/image: fix some minor linting issues

[thaJeztah]

- Human readable description for the release notes

- A picture of a cute animal (not mandatory but encouraged)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 35.29412% with 11 lines in your changes missing coverage. Please review.

Project coverage is 59.26%. Comparing base (2eec746) to head (2c0f9f4).

❌ Your patch status has failed because the patch coverage (35.29%) is below the target coverage (50.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5911   +/-   ##
=======================================
  Coverage   59.26%   59.26%           
=======================================
  Files         357      357           
  Lines       29771    29771           
=======================================
  Hits        17645    17645           
  Misses      11153    11153           
  Partials      973      973           

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