fix(deps): update dependency ngrok to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ngrok	^3.3.0 -> ^4.0.0

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Release Notes

bubenshchykov/ngrok

v4.0.0

Compare Source

Breaking changes

• Replaced the deprecated request and request-promise-native with got
• ngrok.getApi() will now return an NgrokClient object which has methods to call on the available ngrok API methods
• Revamped the exported types, there is now an Ngrok namespace under which most types now sit
• Added types for the NgrokClient responses

Changed

• Changed CI from Travis to GitHub Actions
• Brought development dependencies up to date

Fixed

• Passing a name option to connect now causes the module to read the ngrok config and retrieve a named tunnel (fixes #​197)

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[codecov]

Codecov Report

Merging #433 (c03539e) into next (0bf7b24) will decrease coverage by 1.78%.
The diff coverage is 64.35%.

❗ Current head c03539e differs from pull request most recent head b6caf4e. Consider uploading reports for the commit b6caf4e to get more accurate results

@@            Coverage Diff             @@
##             next     #433      +/-   ##
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- Coverage   67.58%   65.80%   -1.79%     
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  Files          62       68       +6     
  Lines        1530     1617      +87     
  Branches      247      265      +18     
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+ Hits         1034     1064      +30     
- Misses        400      452      +52     
- Partials       96      101       +5