used constant for command name

[iyilm4z]

No description provided.

[berkansasmaz]

Thanks for your contribution ✌️

Related: #11016 (comment)

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (CleanCommand@5ad2c33). Click here to learn what that means.
The diff coverage is 100.00%.

@@               Coverage Diff               @@
##             CleanCommand   #11019   +/-   ##
===============================================
  Coverage                ?   54.45%           
===============================================
  Files                   ?     2651           
  Lines                   ?    75825           
  Branches                ?        0           
===============================================
  Hits                    ?    41288           
  Misses                  ?    34537           
  Partials                ?        0           

Impacted Files	Coverage Δ
...Abp.Cli.Core/Volo/Abp/Cli/Commands/CleanCommand.cs	0.00% <ø> (ø)
...Volo.Abp.Cli.Core/Volo/Abp/Cli/AbpCliCoreModule.cs	85.71% <100.00%> (ø)

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[maliming]

Thanks @iyilm4z