Bump golang.org/x/oauth2 from 0.7.0 to 0.8.0 in /sdks (apache#26624)

Bumps [golang.org/x/oauth2](https://github.com/golang/oauth2) from 0.7.0 to 0.8.0.
- [Commits](golang/oauth2@v0.7.0...v0.8.0)

---
updated-dependencies:
- dependency-name: golang.org/x/oauth2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>