Mark Laravel Octane requests as laravel.request

[PROFeNoM]

Description

As surfaced in #2636

Currently, the root span from Laravel octane requests' will be web.request.

However, this can cause confusion on the Datadog UI, as the backend will most likely choose laravel.request as the primary operation, as seen from the screen below:

Therefore, this PR changes the operation name of Laravel octane requests (Swoole, Roadrunner, and beyond) from web.request to laravel.request, so that it is consistent with the default Laravel behavior.

This is a breaking change, but the next release is 1.0, right? 😉

Additionally, with this change, if DD_SERVICE isn't set, then the request will use Laravel's APP_NAME instead of 'swoole', which is a better experience

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Technically, I'm hooking Laravel\Octane\Worker::handle as it is guaranteed to happen for all incoming requests (Swoole, RR, etc.). What's more, it happens after the prehook set on the requeststart event callback (hence ensuring laravel.request is not overwritten by web.request from the SwooleIntegration).

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 50.00000% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 79.20%. Comparing base (8388bc1) to head (b93f695).
Report is 2 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2655      +/-   ##
============================================
+ Coverage     77.66%   79.20%   +1.54%     
- Complexity     2205     2206       +1     
============================================
  Files           225      199      -26     
  Lines         26019    22014    -4005     
  Branches        988        0     -988     
============================================
- Hits          20208    17437    -2771     
+ Misses         5285     4577     -708     
+ Partials        526        0     -526     

Flag	Coverage Δ
appsec-extension	?
tracer-extension	78.47% <ø> (ø)
tracer-php	80.24% <50.00%> (-0.04%)	⬇️

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

Files	Coverage Δ
...DTrace/Integrations/Laravel/LaravelIntegration.php	81.06% <50.00%> (-1.15%)	⬇️

... and 26 files with indirect coverage changes

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[pr-commenter]

Benchmarks

Benchmark execution time: 2024-05-03 09:40:00

Comparing candidate commit b93f695 in PR branch alex/style/swoole-laravel-request with baseline commit 8388bc1 in branch master.

Found 1 performance improvements and 0 performance regressions! Performance is the same for 177 metrics, 0 unstable metrics.

scenario:SamplingRuleMatchingBench/benchRegexMatching1-opcache

• 🟩 execution_time [-412.093ns; -186.107ns] or [-6.514%; -2.942%]