fix(dlp): update the API

#### dlp:v2

The following keys were changed:
- schemas.GooglePrivacyDlpV2CustomInfoType.properties.storedType.description

Author: yoshi-automation

discovery/dlp-v2.json

@@ -5123,7 +5123,7 @@
       }
     }
   },
-  "revision": "20251204",
+  "revision": "20251213",
   "rootUrl": "https://dlp.googleapis.com/",
   "schemas": {
     "GooglePrivacyDlpV2Action": {
@@ -6735,7 +6735,7 @@
         },
         "storedType": {
           "$ref": "GooglePrivacyDlpV2StoredType",
-          "description": "Load an existing `StoredInfoType` resource for use in `InspectDataSource`. Not currently supported in `InspectContent`."
+          "description": "Loads an existing `StoredInfoType` resource."
         },
         "surrogateType": {
           "$ref": "GooglePrivacyDlpV2SurrogateType",

src/apis/dlp/v2.ts

@@ -1219,7 +1219,7 @@ export namespace dlp_v2 {
      */
     sensitivityScore?: Schema$GooglePrivacyDlpV2SensitivityScore;
     /**
-     * Load an existing `StoredInfoType` resource for use in `InspectDataSource`. Not currently supported in `InspectContent`.
+     * Loads an existing `StoredInfoType` resource.
      */
     storedType?: Schema$GooglePrivacyDlpV2StoredType;
     /**