Enhancement: Use Composer\Factory as direct collaborator

[localheinz]

This PR

• uses Composer\Factory as direct collaborator

[codecov]

Codecov Report

Merging #48 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##             master    #48   +/-   ##
=======================================
  Coverage       100%   100%           
  Complexity       69     69           
=======================================
  Files             7      7           
  Lines           255    261    +6     
=======================================
+ Hits            255    261    +6

Impacted Files	Coverage Δ	Complexity Δ
src/Command/NormalizeCommand.php	100% <100%> (ø)	34 <0> (ø)	⬇️
src/NormalizePlugin.php	100% <100%> (ø)	3 <0> (ø)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update de5bd86...559c048. Read the comment docs.