feat(dataflow): update the api

#### dataflow:v1b3

The following keys were added:
- schemas.FlexTemplateRuntimeEnvironment.properties.diskSizeGb (Total Keys: 2)
- schemas.FlexTemplateRuntimeEnvironment.properties.maxNumWorkers (Total Keys: 2)

Author: yoshi-automation

docs/dyn/dataflow_v1b3.projects.locations.flexTemplates.html

@@ -106,11 +106,13 @@ <h3>Method Details</h3>
         &quot;additionalUserLabels&quot;: { # Additional user labels to be specified for the job. Keys and values must follow the restrictions specified in the [labeling restrictions](https://cloud.google.com/compute/docs/labeling-resources#restrictions) page. An object containing a list of &quot;key&quot;: value pairs. Example: { &quot;name&quot;: &quot;wrench&quot;, &quot;mass&quot;: &quot;1kg&quot;, &quot;count&quot;: &quot;3&quot; }.
           &quot;a_key&quot;: &quot;A String&quot;,
         },
+        &quot;diskSizeGb&quot;: 42, # Worker disk size, in gigabytes.
         &quot;enableStreamingEngine&quot;: True or False, # Whether to enable Streaming Engine for the job.
         &quot;flexrsGoal&quot;: &quot;A String&quot;, # Set FlexRS goal for the job. https://cloud.google.com/dataflow/docs/guides/flexrs
         &quot;ipConfiguration&quot;: &quot;A String&quot;, # Configuration for VM IPs.
         &quot;kmsKeyName&quot;: &quot;A String&quot;, # Name for the Cloud KMS key for the job. Key format is: projects//locations//keyRings//cryptoKeys/
         &quot;machineType&quot;: &quot;A String&quot;, # The machine type to use for the job. Defaults to the value from the template if not specified.
+        &quot;maxNumWorkers&quot;: 42, # The maximum number of workers to cap scaling at.
         &quot;maxWorkers&quot;: 42, # The maximum number of Google Compute Engine instances to be made available to your pipeline during execution, from 1 to 1000.
         &quot;network&quot;: &quot;A String&quot;, # Network to which VMs will be assigned. If empty or unspecified, the service will use the network &quot;default&quot;.
         &quot;numWorkers&quot;: 42, # The initial number of Google Compute Engine instances for the job.
@@ -156,11 +158,13 @@ <h3>Method Details</h3>
       &quot;additionalUserLabels&quot;: { # Additional user labels to be specified for the job. Keys and values must follow the restrictions specified in the [labeling restrictions](https://cloud.google.com/compute/docs/labeling-resources#restrictions) page. An object containing a list of &quot;key&quot;: value pairs. Example: { &quot;name&quot;: &quot;wrench&quot;, &quot;mass&quot;: &quot;1kg&quot;, &quot;count&quot;: &quot;3&quot; }.
         &quot;a_key&quot;: &quot;A String&quot;,
       },
+      &quot;diskSizeGb&quot;: 42, # Worker disk size, in gigabytes.
       &quot;enableStreamingEngine&quot;: True or False, # Whether to enable Streaming Engine for the job.
       &quot;flexrsGoal&quot;: &quot;A String&quot;, # Set FlexRS goal for the job. https://cloud.google.com/dataflow/docs/guides/flexrs
       &quot;ipConfiguration&quot;: &quot;A String&quot;, # Configuration for VM IPs.
       &quot;kmsKeyName&quot;: &quot;A String&quot;, # Name for the Cloud KMS key for the job. Key format is: projects//locations//keyRings//cryptoKeys/
       &quot;machineType&quot;: &quot;A String&quot;, # The machine type to use for the job. Defaults to the value from the template if not specified.
+      &quot;maxNumWorkers&quot;: 42, # The maximum number of workers to cap scaling at.
       &quot;maxWorkers&quot;: 42, # The maximum number of Google Compute Engine instances to be made available to your pipeline during execution, from 1 to 1000.
       &quot;network&quot;: &quot;A String&quot;, # Network to which VMs will be assigned. If empty or unspecified, the service will use the network &quot;default&quot;.
       &quot;numWorkers&quot;: 42, # The initial number of Google Compute Engine instances for the job.

googleapiclient/discovery_cache/documents/dataflow.v1b3.json

@@ -2225,7 +2225,7 @@
       }
     }
   },
-  "revision": "20210618",
+  "revision": "20210703",
   "rootUrl": "https://dataflow.googleapis.com/",
   "schemas": {
     "ApproximateProgress": {
@@ -3314,6 +3314,11 @@
           "description": "Additional user labels to be specified for the job. Keys and values must follow the restrictions specified in the [labeling restrictions](https://cloud.google.com/compute/docs/labeling-resources#restrictions) page. An object containing a list of \"key\": value pairs. Example: { \"name\": \"wrench\", \"mass\": \"1kg\", \"count\": \"3\" }.",
           "type": "object"
         },
+        "diskSizeGb": {
+          "description": "Worker disk size, in gigabytes.",
+          "format": "int32",
+          "type": "integer"
+        },
         "enableStreamingEngine": {
           "description": "Whether to enable Streaming Engine for the job.",
           "type": "boolean"
@@ -3354,6 +3359,11 @@
           "description": "The machine type to use for the job. Defaults to the value from the template if not specified.",
           "type": "string"
         },
+        "maxNumWorkers": {
+          "description": "The maximum number of workers to cap scaling at.",
+          "format": "int32",
+          "type": "integer"
+        },
         "maxWorkers": {
           "description": "The maximum number of Google Compute Engine instances to be made available to your pipeline during execution, from 1 to 1000.",
           "format": "int32",