Update dependency google-cloud-monitoring to v1.1.0 (GoogleCloudPlatform#4577)

Author: renovate-bot

trace/cloud-trace-demo-app-opentelemetry/app/requirements.txt

@@ -10,6 +10,6 @@ opentelemetry-ext-wsgi==0.8b0
 opentelemetry-sdk==0.9b0
 grpcio==1.29.0
 httpretty==1.0.2
-google-cloud-monitoring==1.0.0
+google-cloud-monitoring==1.1.0
 google-cloud-trace==0.23.0