fix: disable parallel on WSL

[alexander-akait]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

Disable parallel on WSL

Breaking Changes

No

Additional Info

We should migrate on jest-worker in future

[codecov]

Codecov Report

Merging #403 into master will decrease coverage by 0.34%.
The diff coverage is 80%.

@@            Coverage Diff             @@
##           master     #403      +/-   ##
==========================================
- Coverage   98.57%   98.23%   -0.35%     
==========================================
  Files           5        5              
  Lines         281      283       +2     
  Branches      110      113       +3     
==========================================
+ Hits          277      278       +1     
- Misses          4        5       +1

Impacted Files	Coverage Δ
src/TaskRunner.js	95.91% <80%> (-1.96%)	⬇️

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