feat(containeranalysis): update the API

#### containeranalysis:v1alpha1

The following keys were changed:
- auth.oauth2.scopes.https://www.googleapis.com/auth/cloud-platform.description

#### containeranalysis:v1beta1

The following keys were added:
- schemas.Detail.properties.vendor.description
- schemas.Detail.properties.vendor.type

The following keys were changed:
- auth.oauth2.scopes.https://www.googleapis.com/auth/cloud-platform.description

discovery/containeranalysis-v1alpha1.json

@@ -3,7 +3,7 @@
     "oauth2": {
       "scopes": {
         "https://www.googleapis.com/auth/cloud-platform": {
-          "description": "View and manage your data across Google Cloud Platform services"
+          "description": "See, edit, configure, and delete your Google Cloud Platform data"
         }
       }
     }
@@ -1217,7 +1217,7 @@
       }
     }
   },
-  "revision": "20210226",
+  "revision": "20210326",
   "rootUrl": "https://containeranalysis.googleapis.com/",
   "schemas": {
     "Artifact": {

discovery/containeranalysis-v1beta1.json

@@ -3,7 +3,7 @@
     "oauth2": {
       "scopes": {
         "https://www.googleapis.com/auth/cloud-platform": {
-          "description": "View and manage your data across Google Cloud Platform services"
+          "description": "See, edit, configure, and delete your Google Cloud Platform data"
         }
       }
     }
@@ -853,7 +853,7 @@
       }
     }
   },
-  "revision": "20210226",
+  "revision": "20210326",
   "rootUrl": "https://containeranalysis.googleapis.com/",
   "schemas": {
     "AliasContext": {
@@ -1516,6 +1516,10 @@
           "description": "The time this information was last changed at the source. This is an upstream timestamp from the underlying information source - e.g. Ubuntu security tracker.",
           "format": "google-datetime",
           "type": "string"
+        },
+        "vendor": {
+          "description": "The name of the vendor of the product.",
+          "type": "string"
         }
       },
       "type": "object"

src/apis/containeranalysis/v1beta1.ts

@@ -528,6 +528,10 @@ export namespace containeranalysis_v1beta1 {
      * The time this information was last changed at the source. This is an upstream timestamp from the underlying information source - e.g. Ubuntu security tracker.
      */
     sourceUpdateTime?: string | null;
+    /**
+     * The name of the vendor of the product.
+     */
+    vendor?: string | null;
   }
   /**
    * Details of an attestation occurrence.