Uprev oauth2 go package

In order to generate JWTs with with idtokens, we need to
uprev the oauth2 go package so the PrivateClaims and UseIdToken
fields are supported in jwt.go.

BUG=None
TEST=None
RELEASE_NOTE=None

Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/3275582
Tested-by: Alexander Hartl <alexanderhartl@google.com>
Reviewed-by: Allen Li <ayatane@chromium.org>
Commit-Queue: Alexander Hartl <alexanderhartl@google.com>

Change-Id: I728cc767352f986457dae423722b2204e2262d85
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/chromiumos-overlay/+/25180
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Reviewed-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
3 files changed