Fix some phpstan findings

[AydinHassan]

No description provided.

[codecov-io]

Codecov Report

Merging #180 into master will decrease coverage by 0.06%.
The diff coverage is 66.66%.

@@             Coverage Diff              @@
##             master     #180      +/-   ##
============================================
- Coverage     93.31%   93.25%   -0.07%     
- Complexity      452      453       +1     
============================================
  Files            26       26              
  Lines          1391     1393       +2     
============================================
+ Hits           1298     1299       +1     
- Misses           93       94       +1

Impacted Files	Coverage Δ	Complexity Δ
src/CliMenu.php	92.93% <66.66%> (-0.33%)	102 <0> (+1)

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