Laravel: InstrumentationInterface experimentation.

[ChrisLightfootWild]

⚠️ 🚧 Experimental 🚧

I was curious as to how the InstrumentationInterface may be used.

This appears to work but does not pass under test - I suspect because there are multiple hook() registered.

This is more than likely throwaway, so please feel free to tear it apart!

Removed _register.php, but it might be necessary to include something akin to:

<?php

declare(strict_types=1);

use Nevay\SPI\ServiceLoader;
use OpenTelemetry\API\Instrumentation\InstrumentationInterface;
use OpenTelemetry\Contrib\Instrumentation\Laravel\LaravelInstrumentation;

// In case spi plugin has not been allowed in composer allow-plugins (root-level).
ServiceLoader::register(InstrumentationInterface::class, LaravelInstrumentation::class);

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Dependencies:

• Experiment: Register instrumentation with SPI. opentelemetry-php#1274

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.64%. Comparing base (2a601c3) to head (503fd8f).
Report is 2 commits behind head on main.

❗ Current head 503fd8f differs from pull request most recent head 511b09a. Consider uploading reports for the commit 511b09a to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #252      +/-   ##
============================================
+ Coverage     84.38%   85.64%   +1.26%     
+ Complexity      983      902      -81     
============================================
  Files            89       78      -11     
  Lines          3946     3519     -427     
============================================
- Hits           3330     3014     -316     
+ Misses          616      505     -111     

Flag	Coverage Δ
7.4	89.27% <ø> (+3.54%)	⬆️
8.0	81.12% <ø> (-2.26%)	⬇️
8.1	88.01% <ø> (+4.48%)	⬆️
8.2	88.71% <ø> (+4.41%)	⬆️
8.3	81.53% <ø> (-2.77%)	⬇️

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see 19 files with indirect coverage changes

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[ChrisLightfootWild]

I was unsure of the expected usage of this, based on these comments.