moved skeleton generate before the dependencies install

[prisis]

Q	A
Bug fix?	yes
New feature?	no
BC breaks?	no
Deprecations?	no
Related tickets	-
License	MIT
Doc PR	-

[codecov]

Codecov Report

Merging #87 into master will not change coverage.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master      #87   +/-   ##
=========================================
  Coverage     70.32%   70.32%           
  Complexity      794      794           
=========================================
  Files            53       53           
  Lines          2130     2130           
=========================================
  Hits           1498     1498           
  Misses          632      632

Impacted Files	Coverage Δ	Complexity Δ
src/Automatic/SkeletonGenerator.php	100% <100%> (ø)	15 <0> (ø)	⬇️

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