use packaging instead of deprecated distutils Version classes

[fabianegli]

distutils Version classes are deprecated in favor of the ones in packaging.

PR checklist

• This comment contains a description of changes (with reason)
• CHANGELOG.md is updated
• If you've fixed a bug or added code that should be tested, add tests!
• Documentation in docs is updated

[codecov]

Codecov Report

Merging #1735 (b2b967e) into dev (a9d0665) will increase coverage by 0.15%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##              dev    #1735      +/-   ##
==========================================
+ Coverage   68.29%   68.45%   +0.15%     
==========================================
  Files          59       59              
  Lines        7063     7136      +73     
==========================================
+ Hits         4824     4885      +61     
- Misses       2239     2251      +12     

Impacted Files	Coverage Δ
nf_core/utils.py	80.97% <100.00%> (-0.13%)	⬇️
nf_core/modules/modules_command.py	83.78% <0.00%> (-4.03%)	⬇️
nf_core/lint/modules_json.py	76.66% <0.00%> (-3.34%)	⬇️
nf_core/modules/update.py	75.64% <0.00%> (-2.81%)	⬇️
nf_core/modules/lint/module_changes.py	50.00% <0.00%> (-2.39%)	⬇️
nf_core/modules/lint/module_patch.py	10.66% <0.00%> (-2.33%)	⬇️
nf_core/modules/module_test.py	53.33% <0.00%> (-1.47%)	⬇️
nf_core/modules/patch.py	80.70% <0.00%> (-0.78%)	⬇️
nf_core/modules/lint/module_version.py	82.60% <0.00%> (-0.73%)	⬇️
nf_core/modules/lint/__init__.py	82.47% <0.00%> (-0.51%)	⬇️
... and 9 more

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