antihax/optional#1 added module support, and was tagged as a stable
release. This change consumes that tag, and updates the psuedo-version
for golang.org/x/oauth2.
* Do not check status code for default response
* Updated generated code/docs
Because Circle CI said
> Please run 'bin/utils/ensure-up-to-date' locally and commit
> changes (UNCOMMITTED CHANGES ERROR)
* [go-experimental] export required fields without pointer, only omitempty if type is not required and not nullable
* fix: go-experimental sample code
* fix: export nullable field as pointer
* update samples
* feat: nullable types
* add getter/setter for required fields, improve docstring
* [Go][experimental-client] Properly define packageName for go-experimental sample client
* [Go][experimental-client] make structure members pointers, provide custom marshalling.