feat(cloudchannel): update the api

#### cloudchannel:v1

The following keys were added:
- schemas.GoogleCloudChannelV1alpha1OpportunityEvent.properties.partner.type (Total Keys: 1)

Author: yoshi-automation

googleapiclient/discovery_cache/documents/cloudchannel.v1.json

@@ -2289,7 +2289,7 @@
 }
 }
 },
-"revision": "20250325",
+"revision": "20250412",
 "rootUrl": "https://cloudchannel.googleapis.com/",
 "schemas": {
 "GoogleCloudChannelV1ActivateEntitlementRequest": {
@@ -5408,18 +5408,24 @@ false
 "enum": [
 "TYPE_UNSPECIFIED",
 "CREATED",
-"UPDATED"
+"UPDATED",
+"PARTNER_DETACHED"
 ],
 "enumDescriptions": [
 "Not used.",
 "New opportunity created.",
-"Existing opportunity updated."
+"Existing opportunity updated.",
+"Partner has been detached from the opportunity and can no longer access it."
 ],
 "type": "string"
 },
 "opportunity": {
 "description": "Resource name of the opportunity. Format: opportunities/{opportunity}",
 "type": "string"
+},
+"partner": {
+"description": "Resource name of the partner. Format: partners/{partner}",
+"type": "string"
 }
 },
 "type": "object"