Change nest components to Cloud Push (#5442)

* Change nest components to Cloud Push

* Keep camera.nest as Cloud Poll

source/_components/binary_sensor.nest.markdown

@@ -10,7 +10,7 @@ footer: true
 logo: nest.png
 ha_category: Binary Sensor
 ha_release: pre 0.7
-ha_iot_class: "Cloud Polling"
+ha_iot_class: "Cloud Push"
 ---
 
 

source/_components/camera.nest.markdown

@@ -10,7 +10,7 @@ footer: true
 logo: nest.png
 ha_category: Camera
 ha_release: 0.34
-ha_iot_class: "Cloud Polling"
+ha_iot_class: "Cloud Poll"
 ---
 
 The `nest` platform allows you to watch the live stream of your [Nest](https://nest.com/camera/meet-nest-cam/) camera in Home Assistant.

source/_components/climate.nest.markdown

@@ -9,7 +9,7 @@ sharing: true
 footer: true
 logo: nest.png
 ha_category: Climate
-ha_iot_class: "Cloud Polling"
+ha_iot_class: "Cloud Push"
 ---
 
 

source/_components/nest.markdown

@@ -10,7 +10,7 @@ footer: true
 logo: nest.png
 ha_category: Hub
 featured: true
-ha_iot_class: "Cloud Polling"
+ha_iot_class: "Cloud Push"
 ---
 
 The Nest component is the main component to integrate all [Nest](https://nest.com/) related platforms. To connect Nest, you will have to [sign up for a developer account](https://developers.nest.com/products) and get a `client_id` and `client_secret`.

source/_components/sensor.nest.markdown

@@ -10,7 +10,7 @@ footer: true
 logo: nest.png
 ha_category: Sensor
 ha_release: pre 0.7
-ha_iot_class: "Cloud Polling"
+ha_iot_class: "Cloud Push"
 ---