[PHP] Replace deprecated constants DEPLOYMENT_ENVIRONMENT to DEPLOYMENT_ENVIRONMENT_NAME (#6377)

Author: cm-iwata

content/en/docs/languages/php/instrumentation.md

@@ -186,7 +186,7 @@ $resource = ResourceInfoFactory::emptyResource()->merge(ResourceInfo::create(Att
     ResourceAttributes::SERVICE_NAMESPACE => 'demo',
     ResourceAttributes::SERVICE_NAME => 'test-application',
     ResourceAttributes::SERVICE_VERSION => '0.1',
-    ResourceAttributes::DEPLOYMENT_ENVIRONMENT => 'development',
+    ResourceAttributes::DEPLOYMENT_ENVIRONMENT_NAME => 'development',
 ])));
 $spanExporter = new SpanExporter(
     (new StreamTransportFactory())->create('php://stdout', 'application/json')

content/en/docs/languages/php/resources.md

@@ -80,7 +80,7 @@ $resource = ResourceInfoFactory::defaultResource()->merge(ResourceInfo::create(A
     ResourceAttributes::SERVICE_NAME => 'bar',
     ResourceAttributes::SERVICE_INSTANCE_ID => 1,
     ResourceAttributes::SERVICE_VERSION => '0.1',
-    ResourceAttributes::DEPLOYMENT_ENVIRONMENT => 'development',
+    ResourceAttributes::DEPLOYMENT_ENVIRONMENT_NAME => 'development',
 ])));
 
 $tracerProvider =  new TracerProvider(