🔧 Enable more advanced TS flags

[dubzzz]

Based on suggestions from https://www.totaltypescript.com/tsconfig-cheat-sheet

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

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Latest deployment of this branch, based on commit 93fe619:

Sandbox	Source
@fast-check/examples	Configuration

[github-actions]

👋 A preview of the new documentation is available at: http://662982f60a94d819aab9ccd1--dubzzz-fast-check.netlify.app

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.87%. Comparing base (f497fec) to head (93fe619).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4924   +/-   ##
=======================================
  Coverage   96.87%   96.87%           
=======================================
  Files         213      213           
  Lines       16297    16297           
  Branches     2664     2656    -8     
=======================================
  Hits        15787    15787           
  Misses        510      510           

Flag	Coverage Δ
unit-tests	96.87% <ø> (ø)
unit-tests-18.x-Linux	96.87% <ø> (ø)
unit-tests-20.x-Linux	96.87% <ø> (ø)
unit-tests-latest-Linux	?

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