chore: Log the errors when the project release configuration file is not valid.

[M0nkeySan]

What

Add an error log when the configuration file validation fails.

Why

Currently if the configuration file is invalid, the log is just The config file should contain an array of valid project configurations which doesn't really help.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.38%. Comparing base (56b0f4b) to head (c5518c3).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #45      +/-   ##
==========================================
+ Coverage   78.36%   78.38%   +0.02%     
==========================================
  Files          94       94              
  Lines        1895     1897       +2     
  Branches      345      346       +1     
==========================================
+ Hits         1485     1487       +2     
+ Misses        401      382      -19     
- Partials        9       28      +19     

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