Fix: Show version of plugin instead of version of application

[localheinz]

This PR

• shows the version of the plugin instead of the version of the application when running as a development dependency

Follows #641.

[codecov]

Codecov Report

Merging #643 (8c9dea2) into main (4a220a1) will increase coverage by 1.74%.
The diff coverage is 14.28%.

@@             Coverage Diff              @@
##               main     #643      +/-   ##
============================================
+ Coverage     82.15%   83.89%   +1.74%     
+ Complexity       60       57       -3     
============================================
  Files             4        4              
  Lines           241      236       -5     
============================================
  Hits            198      198              
+ Misses           43       38       -5     

Impacted Files	Coverage Δ	Complexity Δ
src/Version.php	0.00% <0.00%> (ø)	2.00 <2.00> (?)
src/Command/NormalizeCommand.php	90.90% <100.00%> (ø)	49.00 <0.00> (ø)

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