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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