Switch from bundled createRequire shim to npm "create-require"

[cspotcode]

#1152

[codecov]

Codecov Report

Merging #1156 (4811faf) into master (8b9489a) will increase coverage by 0.08%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master    #1156      +/-   ##
==========================================
+ Coverage   79.60%   79.68%   +0.08%     
==========================================
  Files           7        7              
  Lines         711      709       -2     
  Branches      158      157       -1     
==========================================
- Hits          566      565       -1     
  Misses         89       89              
+ Partials       56       55       -1     

Flag	Coverage Δ
node_10	76.20% <50.00%> (+0.09%)	⬆️
node_12_15	76.55% <50.00%> (+0.09%)	⬆️
node_12_16	76.55% <50.00%> (+0.09%)	⬆️
node_13	78.98% <50.00%> (+0.08%)	⬆️
node_14	78.98% <50.00%> (+0.08%)	⬆️
node_14_13_0	78.13% <50.00%> (+0.07%)	⬆️
node_15	78.98% <50.00%> (+0.08%)	⬆️
typescript_2_7	78.98% <50.00%> (+0.08%)	⬆️
typescript_latest	78.13% <50.00%> (+0.07%)	⬆️
typescript_next	78.13% <50.00%> (+0.07%)	⬆️
ubuntu	78.84% <50.00%> (+0.08%)	⬆️
windows	78.98% <50.00%> (+0.08%)	⬆️

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Impacted Files	Coverage Δ
src/index.ts	79.20% <50.00%> (+0.14%)	⬆️

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