fix: add crypto to deps

[jpoehnelt]

closes #647

[codecov]

Codecov Report

Merging #648 (30cfe29) into master (e7490d7) will decrease coverage by 0.38%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##            master     #648      +/-   ##
===========================================
- Coverage   100.00%   99.61%   -0.39%     
===========================================
  Files           22       22              
  Lines          778      778              
  Branches       127      127              
===========================================
- Hits           778      775       -3     
- Misses           0        3       +3     

Impacted Files	Coverage Δ
src/directions.ts	87.50% <0.00%> (-12.50%)	⬇️
src/elevation.ts	92.30% <0.00%> (-7.70%)	⬇️

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🎉 This PR is included in version 3.2.1 🎉

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• GitHub release

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