Tag unsupported: boundary_start=31,boundary_end=88

```go
PostalCode *uint64  `protobuf:"varint,3,opt,name=postalCode,proto3,oneof" json:"postalCode,omitempty" binding:"omitempty,min=1000,max=99999" faker:"boundary_start=1000, boundary_end=99999"`
```

https://github.com/bxcodec/faker/blob/master/example_with_tags_lenbounds_test.go