Build/upgrade nx

[gregmartDOTin]

Before submitting a pull request, please make sure the following is done:

1. Fork the repository and create your branch from master.
2. Run yarn in the repository root.
3. If you've fixed a bug or added code that should be tested, add tests!
4. Ensure the test suite passes (yarn test). Tip: yarn test --watch TestName is helpful in development.
5. Make sure your code passed the conventional commits check. Read more about conventional commits

[codecov]

Codecov Report

Attention: Patch coverage is 97.43590% with 2 lines in your changes missing coverage. Please review.

Project coverage is 92.14%. Comparing base (5ee0a9c) to head (1f198bd).
Report is 21 commits behind head on master.

Files	Patch %	Lines
packages/date/polyfills/padStart.js	0.00%	1 Missing ⚠️
...s/reactstrap-validation-date/polyfills/padStart.js	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1453      +/-   ##
==========================================
- Coverage   92.19%   92.14%   -0.05%     
==========================================
  Files         189      189              
  Lines        5340     5312      -28     
  Branches     1641     1639       -2     
==========================================
- Hits         4923     4895      -28     
  Misses        417      417              

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