Upgrade helper to use WAF 1.18.0

[estringana]

Description

Does all required changes(https://github.com/DataDog/libddwaf/blob/master/UPGRADING.md) to accommodate to WAF version 1.18.0

APPSEC-52611

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[Anilm3]

Some comments for now.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 80.00000% with 6 lines in your changes missing coverage. Please review.

Project coverage is 77.85%. Comparing base (4bbc100) to head (e343070).
Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2660      +/-   ##
============================================
- Coverage     79.40%   77.85%   -1.55%     
  Complexity     2212     2212              
============================================
  Files           201      227      +26     
  Lines         22544    26569    +4025     
  Branches          0      989     +989     
============================================
+ Hits          17901    20686    +2785     
- Misses         4643     5357     +714     
- Partials          0      526     +526     

Flag	Coverage Δ
appsec-extension	69.19% <80.00%> (?)
tracer-extension	78.63% <ø> (ø)
tracer-php	80.52% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
appsec/src/extension/commands_helpers.c	69.62% <80.00%> (ø)

... and 25 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4bbc100...e343070. Read the comment docs.