Fix: Properly invoke update command when needed after normalization

[localheinz]

This PR

• asserts that the command succeeds when composer.lock is present and fresh before normalization and composer.json is not yet normalized
• properly invokes the update command

Follows #109.
Follows #129.

[codecov]

Codecov Report

Merging #135 into 1.x will increase coverage by 4.14%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##                1.x     #135      +/-   ##
============================================
+ Coverage     77.51%   81.65%   +4.14%     
  Complexity       34       34              
============================================
  Files             2        2              
  Lines           169      169              
============================================
+ Hits            131      138       +7     
+ Misses           38       31       -7

Impacted Files	Coverage Δ	Complexity Δ
src/Command/NormalizeCommand.php	86.25% <100%> (+4.37%)	31 <0> (ø)	⬇️

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[codecov]

Codecov Report

Merging #135 into 1.x will increase coverage by 4.14%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##                1.x     #135      +/-   ##
============================================
+ Coverage     77.51%   81.65%   +4.14%     
  Complexity       34       34              
============================================
  Files             2        2              
  Lines           169      169              
============================================
+ Hits            131      138       +7     
+ Misses           38       31       -7

Impacted Files	Coverage Δ	Complexity Δ
src/Command/NormalizeCommand.php	86.25% <100%> (+4.37%)	31 <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 d4d6dda...0dce070. Read the comment docs.