Update requirements.txt

Update some GCP dependencies as in #1589 and pin protobuf 3.20.1 since more recent versions break GCP libs

requirements.txt

@@ -6,6 +6,7 @@ cherrypy>=18.1.0
 cherrypy-cors>=1.6
 coloredlogs<=10.0
 asyncio-throttle==0.1.1
+protobuf==3.20.1
 
 # AWS Provider
 botocore>=1.20.21
@@ -19,10 +20,10 @@ google-cloud-container>=2.1.0
 google-cloud-core>=0.29.1
 google-cloud-iam>=0.1.0
 google-cloud-logging>=2.2.0
-google-cloud-monitoring==1.1.0
+google-cloud-monitoring==1.1.1
 google-cloud-resource-manager>=0.28.3
 google-cloud-storage>=1.13.2
-google-cloud-kms==1.3.0
+google-cloud-kms==1.4.1
 ## API Client Libraries
 google-api-python-client>=2.47.0
 oauth2client>=4.1.3
@@ -68,4 +69,4 @@ oci>=2.2.4
 kubernetes
 
 # DigitalOcean Cloud Provider
-pydo >=0.2.0
+pydo >=0.2.0