Add support for Fastify

[timokoessler]

• [x] Add sample app
• [x] Wrap GET requests
• [x] Wrap other request methods and other functions
• [x] Patch default module function export - Adds a new wrapping method by hooking into require
• [x] Add tests
• [x] Add end2end tests

TODO: Investigate how require works with different versions (e.g. a package is installed multiple times)

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 95.60440% with 16 lines in your changes missing coverage. Please review.

Project coverage is 97.84%. Comparing base (fed363f) to head (191fb1d). Report is 368 commits behind head on main.

Files with missing lines	Patch %	Lines
library/agent/wrapRequire.ts	86.41%	11 Missing :warning:
library/sources/fastify/wrapRequestHandler.ts	93.02%	3 Missing :warning:
library/sources/fastify/contextFromRequest.ts	92.30%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #246      +/-   ##
==========================================
- Coverage   97.95%   97.84%   -0.11%     
==========================================
  Files         128      134       +6     
  Lines        7319     7667     +348     
  Branches     1018     1064      +46     
==========================================
+ Hits         7169     7502     +333     
- Misses        148      163      +15     
  Partials        2        2              

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[timokoessler]

See https://github.com/AikidoSec/firewall-node/pull/359