Accept any callable as argument for addSubMenu and addSplitItem in CliMenuBuilder

[simonorono]

While working on a personal project I was structuring all actions to be callable objects (using the __invoke method) and stumbled upon the addSubMenu method not accepting them as a callback. This PR modifies the argument type so it accepts any callable as defined here

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (0cdb162) 93.46% compared to head (ea2986a) 93.46%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #275   +/-   ##
=========================================
  Coverage     93.46%   93.46%           
  Complexity      656      656           
=========================================
  Files            38       38           
  Lines          2021     2021           
=========================================
  Hits           1889     1889           
  Misses          132      132           

Files Changed	Coverage Δ
src/Builder/CliMenuBuilder.php	76.07% <100.00%> (ø)

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[AydinHassan]

Nice thanks, do you think you could also update addSplitItem in the same manner?

[simonorono]

Nice thanks, do you think you could also update addSplitItem in the same manner?

Just did it.

[AydinHassan]

Thanks @simonorono !