Convert InstallCommand and UpdateCommand into invokable commands

[acelaya]

Extract the common logic in InstallCommand and UpdateCommand to a reusable service that can be composed, instead of having a parent abstract class both commands extend from.

Then, convert both commands into invokable ones.

[codecov]

Codecov Report

❌ Patch coverage is 97.56098% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 97.93%. Comparing base (1be30af) to head (8d59ce7).
⚠️ Report is 8 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/Service/InstallationRunner.php	96.66%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop     #256      +/-   ##
=============================================
- Coverage      97.95%   97.93%   -0.03%     
+ Complexity       323      320       -3     
=============================================
  Files             96       96              
  Lines            882      872      -10     
=============================================
- Hits             864      854      -10     
  Misses            18       18              

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