feature: add git detector to phpunit telemetry

Author: jdecool

src/bridge/phpunit/telemetry/src/Flow/Bridge/PHPUnit/Telemetry/TelemetryFactory.php

@@ -24,6 +24,7 @@
 use function Flow\Telemetry\DSL\batching_log_processor;
 use function Flow\Telemetry\DSL\batching_metric_processor;
 use function Flow\Telemetry\DSL\batching_span_processor;
+use function Flow\Telemetry\DSL\git_detector;
 use function Flow\Telemetry\DSL\logger_provider;
 use function Flow\Telemetry\DSL\memory_context_storage;
 use function Flow\Telemetry\DSL\meter_provider;
@@ -39,6 +40,7 @@ public static function create(Configuration $config): Telemetry
     {
         $telemetryResource = resource_detector()
             ->detect()
+            ->merge(git_detector()->detect())
             ->merge(resource([
                 'service.name' => $config->serviceName,
                 'telemetry.sdk.name' => 'flow-php-phpunit-telemetry',