fix(deps): update dependency google/cloud-monitoring to v2 (#2120)

Author: renovate-bot

appengine/standard/grpc/composer.json

@@ -1,7 +1,7 @@
 {
     "require": {
         "google/cloud-spanner": "^1.15.0",
-        "google/cloud-monitoring": "^1.0.0",
+        "google/cloud-monitoring": "^2.0.0",
         "google/cloud-speech": "^1.0.0"
     },
     "require-dev": {

appengine/standard/grpc/monitoring.php

@@ -21,7 +21,8 @@
 # Imports the Google Cloud client library
 use Google\Api\Metric;
 use Google\Api\MonitoredResource;
-use Google\Cloud\Monitoring\V3\MetricServiceClient;
+use Google\Cloud\Monitoring\V3\Client\MetricServiceClient;
+use Google\Cloud\Monitoring\V3\CreateTimeSeriesRequest;
 use Google\Cloud\Monitoring\V3\Point;
 use Google\Cloud\Monitoring\V3\TimeInterval;
 use Google\Cloud\Monitoring\V3\TimeSeries;
@@ -65,5 +66,8 @@
 $timeSeries->setPoints([$point]);
 
 $projectName = $client->projectName($projectId);
-$client->createTimeSeries($projectName, [$timeSeries]);
+$createTimeSeriesRequest = (new CreateTimeSeriesRequest())
+    ->setName($projectName)
+    ->setTimeSeries([$timeSeries]);
+$client->createTimeSeries($createTimeSeriesRequest);
 print('Successfully submitted a time series' . PHP_EOL);