[WIP] Add support for processor overrides

[Anilm3]

Description

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2025-04-17 12:20:35

Comparing candidate commit 6fcd044 in PR branch anilm3/processor-overrides with baseline commit b2a1ef5 in branch master.

Found 1 performance improvements and 1 performance regressions! Performance is the same for 176 metrics, 0 unstable metrics.

scenario:PDOBench/benchPDOBaseline

• 🟥 execution_time [+11.930µs; +16.182µs] or [+6.409%; +8.694%]

scenario:TraceFlushBench/benchFlushTrace

• 🟩 execution_time [-1000.000ns; -1000.000ns] or [-50.000%; -50.000%]

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.38%. Comparing base (b2a1ef5) to head (6fcd044).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3213      +/-   ##
============================================
- Coverage     79.30%   76.38%   -2.93%     
  Complexity     2943     2943              
============================================
  Files           117      144      +27     
  Lines         11603    16046    +4443     
  Branches          0     1107    +1107     
============================================
+ Hits           9202    12257    +3055     
- Misses         2401     3214     +813     
- Partials          0      575     +575     

Flag	Coverage Δ
appsec-extension	68.80% <ø> (?)
tracer-php	79.28% <ø> (-0.02%)	⬇️

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see 28 files with indirect coverage changes

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