feat(client-fms): Increases Customer API's ManagedServiceData length

Author: awstools

codegen/sdk-codegen/aws-models/fms.json

@@ -5145,7 +5145,7 @@
       "traits": {
         "smithy.api#length": {
           "min": 1,
-          "max": 10000
+          "max": 30000
         },
         "smithy.api#pattern": "^((?!\\\\[nr]).)+$"
       }