Fix: hrTimeToMs calculation

[Jason3S]

No description provided.

[codecov]

Codecov Report

Merging #10 into master will increase coverage by 0.03%.
The diff coverage is 91.66%.

@@            Coverage Diff             @@
##           master      #10      +/-   ##
==========================================
+ Coverage   96.89%   96.92%   +0.03%     
==========================================
  Files          21       21              
  Lines         386      390       +4     
  Branches       57       57              
==========================================
+ Hits          374      378       +4     
  Misses          3        3              
  Partials        9        9              

Impacted Files	Coverage Δ
src/RegExpWorker.ts	95.65% <87.50%> (ø)
src/scheduler/scheduler.ts	97.08% <87.50%> (ø)
src/Procedures/index.ts	100.00% <100.00%> (ø)
src/index.ts	100.00% <100.00%> (ø)
src/timer.ts	100.00% <100.00%> (ø)

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