feat: update bitgo-api-docs

This commit updates the BitGo API.

Author: dev-portal-updater-unprotected[bot]

api.yaml

@@ -23367,6 +23367,12 @@ paths:
           required: false
           schema:
             type: string
+        - name: subType
+          in: query
+          description: The delegation staking sub type to filter by, used with the unstakeable flag.
+          required: false
+          schema:
+            type: string
         - $ref: '#/components/parameters/queryPage'
         - $ref: '#/components/parameters/queryPageSize'
         - $ref: '#/components/parameters/querySortByCreatedDate'