chore(deps): update dependency google-cloud-iot to v1 (GoogleCloudPlatform#3209)

Co-authored-by: gcf-merge-on-green[bot] <60162190+gcf-merge-on-green[bot]@users.noreply.github.com>

Author: renovate-bot

iot/api-client/gcs_file_to_device/requirements.txt

@@ -1,7 +1,7 @@
 google-api-python-client==1.7.11
 google-auth==1.11.2
 google-auth-httplib2==0.0.3
-google-cloud-iot==0.3.1
+google-cloud-iot==1.0.0
 google-cloud-pubsub==1.0.0
 google-cloud-storage==1.26.0
 cryptography==2.8

iot/api-client/http_example/requirements.txt

@@ -2,7 +2,7 @@ cryptography==2.8
 google-api-python-client==1.7.11
 google-auth-httplib2==0.0.3
 google-auth==1.11.2
-google-cloud-iot==0.3.1
+google-cloud-iot==1.0.0
 google-cloud-pubsub==1.1.0
 pyjwt==1.7.1
 requests==2.22.0

iot/api-client/manager/requirements.txt

@@ -3,7 +3,7 @@ flaky==3.6.1
 google-api-python-client==1.7.11
 google-auth-httplib2==0.0.3
 google-auth==1.11.2
-google-cloud-iot==0.3.1
+google-cloud-iot==1.0.0
 google-cloud-pubsub==1.1.0
 oauth2client==4.1.3
 paho-mqtt==1.5.0

iot/api-client/mqtt_example/requirements.txt

@@ -5,7 +5,7 @@ google-api-python-client==1.7.11
 google-auth-httplib2==0.0.3
 google-auth==1.11.2
 google-cloud-pubsub==1.0.0
-google-cloud-iot==0.3.1
+google-cloud-iot==1.0.0
 grpc-google-iam-v1==0.12.3
 pyjwt==1.7.1
 paho-mqtt==1.4.0