fix(binaryauthorization): update the API

#### binaryauthorization:v1beta1

The following keys were changed:
- schemas.AdmissionWhitelistPattern.properties.namePattern.description

#### binaryauthorization:v1

The following keys were changed:
- schemas.AdmissionWhitelistPattern.properties.namePattern.description

discovery/binaryauthorization-v1.json

@@ -551,7 +551,7 @@
       }
     }
   },
-  "revision": "20210326",
+  "revision": "20210422",
   "rootUrl": "https://binaryauthorization.googleapis.com/",
   "schemas": {
     "AdmissionRule": {
@@ -603,7 +603,7 @@
       "id": "AdmissionWhitelistPattern",
       "properties": {
         "namePattern": {
-          "description": "An image name pattern to allowlist, in the form `registry/path/to/image`. This supports a trailing `*` as a wildcard, but this is allowed only in text after the `registry/` part.",
+          "description": "An image name pattern to allowlist, in the form `registry/path/to/image`. This supports a trailing `*` wildcard, but this is allowed only in text after the `registry/` part. This also supports a trailing `**` wildcard which matches subdirectories of a given entry.",
           "type": "string"
         }
       },

discovery/binaryauthorization-v1beta1.json

@@ -551,7 +551,7 @@
       }
     }
   },
-  "revision": "20210326",
+  "revision": "20210422",
   "rootUrl": "https://binaryauthorization.googleapis.com/",
   "schemas": {
     "AdmissionRule": {
@@ -603,7 +603,7 @@
       "id": "AdmissionWhitelistPattern",
       "properties": {
         "namePattern": {
-          "description": "An image name pattern to allowlist, in the form `registry/path/to/image`. This supports a trailing `*` as a wildcard, but this is allowed only in text after the `registry/` part. Also wildcards do not match `/`, i.e., gcr.io/nginx* matches gcr.io/nginx@latest, but it does not match gcr.io/nginx/image.",
+          "description": "An image name pattern to allowlist, in the form `registry/path/to/image`. This supports a trailing `*` as a wildcard, but this is allowed only in text after the `registry/` part. `*` wildcard does not match `/`, i.e., gcr.io/nginx* matches gcr.io/nginx@latest, but it does not match gcr.io/nginx/image. This also supports a trailing `**` wildcard which matches subdirectories, i.e., gcr.io/nginx** matches gcr.io/nginx/image.",
           "type": "string"
         }
       },

src/apis/binaryauthorization/v1.ts

@@ -149,7 +149,7 @@ export namespace binaryauthorization_v1 {
    */
   export interface Schema$AdmissionWhitelistPattern {
     /**
-     * An image name pattern to allowlist, in the form `registry/path/to/image`. This supports a trailing `*` as a wildcard, but this is allowed only in text after the `registry/` part.
+     * An image name pattern to allowlist, in the form `registry/path/to/image`. This supports a trailing `*` wildcard, but this is allowed only in text after the `registry/` part. This also supports a trailing `**` wildcard which matches subdirectories of a given entry.
      */
     namePattern?: string | null;
   }

src/apis/binaryauthorization/v1beta1.ts

@@ -149,7 +149,7 @@ export namespace binaryauthorization_v1beta1 {
    */
   export interface Schema$AdmissionWhitelistPattern {
     /**
-     * An image name pattern to allowlist, in the form `registry/path/to/image`. This supports a trailing `*` as a wildcard, but this is allowed only in text after the `registry/` part. Also wildcards do not match `/`, i.e., gcr.io/nginx* matches gcr.io/nginx@latest, but it does not match gcr.io/nginx/image.
+     * An image name pattern to allowlist, in the form `registry/path/to/image`. This supports a trailing `*` as a wildcard, but this is allowed only in text after the `registry/` part. `*` wildcard does not match `/`, i.e., gcr.io/nginx* matches gcr.io/nginx@latest, but it does not match gcr.io/nginx/image. This also supports a trailing `**` wildcard which matches subdirectories, i.e., gcr.io/nginx** matches gcr.io/nginx/image.
      */
     namePattern?: string | null;
   }