updates tests to CRS 4.5, albedo

[M4tteoP]

Requires further investigation on a few failing tests.
Notably:

• Relies on albedo instead of emulating it (or go-httpbin)
• Starts transition from a generic list of ignored tests to a more detailed list of overrides, with the expected behaviours of these tests in the context of Coraza

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.91%. Comparing base (4ff1f76) to head (c6af3d4).
Report is 81 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1122      +/-   ##
==========================================
+ Coverage   82.72%   83.91%   +1.19%     
==========================================
  Files         162      166       +4     
  Lines        9080     7891    -1189     
==========================================
- Hits         7511     6622     -889     
+ Misses       1319     1019     -300     
  Partials      250      250              

Flag	Coverage Δ
default	83.91% <ø> (+6.08%)	⬆️
examples	83.91% <ø> (+57.48%)	⬆️
ftw	83.91% <ø> (+36.55%)	⬆️
ftw-multiphase	83.91% <ø> (+34.37%)	⬆️
tinygo	83.91% <ø> (+8.51%)	⬆️

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[fzipi]

[M4tteoP]

😅. There is still some work to do, but this is still progress that should be okay to be merged. From this PR, I also started reducing the number of tests ignored via the generic ignore list in .ftw.yml in favor of the expected outcomes of these tests, provided by .ftw-overrides.yml. I left a comment about it in .ftw.yml.