Get rid of deprecated HTTP library for explainshell

[skovhus]

Closes #534

Note that this also closes the security warnings related to using the request library.

[codecov]

Codecov Report

Merging #564 (9b93096) into main (a7fba71) will increase coverage by 0.44%.
The diff coverage is 28.57%.

❗ Current head 9b93096 differs from pull request most recent head 04f2d23. Consider uploading reports for the commit 04f2d23 to get more accurate results

@@            Coverage Diff             @@
##             main     #564      +/-   ##
==========================================
+ Coverage   74.41%   74.85%   +0.44%     
==========================================
  Files          19       19              
  Lines         680      676       -4     
  Branches      120      119       -1     
==========================================
  Hits          506      506              
+ Misses        158      154       -4     
  Partials       16       16              

Impacted Files	Coverage Δ
server/src/server.ts	59.37% <0.00%> (+0.61%)	⬆️
server/src/analyser.ts	84.97% <11.11%> (+0.97%)	⬆️
server/src/util/shebang.ts	100.00% <100.00%> (ø)

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