fix: randomInt should be set min = 0 max = INTMAX value

[yosuke-furukawa]

No description provided.

[codecov-io]

Codecov Report

Merging #38 into master will increase coverage by 0.02%.
The diff coverage is 87.5%.

@@            Coverage Diff             @@
##           master      #38      +/-   ##
==========================================
+ Coverage   92.96%   92.98%   +0.02%     
==========================================
  Files          27       27              
  Lines         540      542       +2     
==========================================
+ Hits          502      504       +2     
  Misses         38       38

Impacted Files	Coverage Δ
lib/template/operation/index.js	94.11% <87.5%> (+0.78%)	⬆️

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