protoc-gen-openapi: wrong type for google.protobuf.UInt64Value and StringValue

[EladSisu]

Both types: google.protobuf.UInt64Value & google.protobuf.StringValue not getting converted correctly to openapi and is missing descriptions.

for example this proto :

message Request {
// A limit on the number of objects to be returned, between 1 and 100.
google.protobuf.UInt64Value limit = 1

getting converted into:

• name: limit.value
  in: query
  description: The uint64 value.
  schema:
  type: integer
  format: uint64

expected output :

• name: limit
  description: A limit on the number of objects to be returned, between 1 and 100.
  in: query
  required: false
  schema:
  type: int64
  format: uint64

[galihputera]

Hi maintainer team! We have a similar issue for protoc-gen-openapi. I already made an MR here #366. Need your review

[jeffsawatzky]

@EladSisu / @galihputera now that #366 is merged, can this be closed?