docs(swagger): add authz & feegrant swagger docs (#9625)

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## Description

Closes: #XXXX

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client/docs/config.json

@@ -106,6 +106,22 @@
           "Params": "UpgradeParams"
         }
       }
+    },
+    {
+      "url": "./tmp-swagger-gen/cosmos/authz/v1beta1/query.swagger.json",
+      "operationIds": {
+        "rename": {
+          "Params": "AuthzParams"
+        }
+      }
+    },
+    {
+      "url": "./tmp-swagger-gen/cosmos/feegrant/v1beta1/query.swagger.json",
+      "operationIds": {
+        "rename": {
+          "Params": "FeegrantParams"
+        }
+      }
     }
   ]
 }