build(deps): bump golang.org/x/oauth2 from 0.18.0 to 0.19.0 (#8972)

Bumps [golang.org/x/oauth2](https://github.com/golang/oauth2) from 0.18.0 to 0.19.0.
- [Commits](https://github.com/golang/oauth2/compare/v0.18.0...v0.19.0)

---
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>

go.mod

@@ -101,7 +101,7 @@ require (
 	golang.org/x/exp v0.0.0-20240205201215-2c58cdc269a3
 	golang.org/x/image v0.15.0
 	golang.org/x/net v0.24.0
-	golang.org/x/oauth2 v0.18.0
+	golang.org/x/oauth2 v0.19.0
 	golang.org/x/sync v0.6.0
 	golang.org/x/term v0.19.0
 	golang.org/x/text v0.14.0
@@ -341,7 +341,6 @@ require (
 	golang.org/x/time v0.5.0 // indirect
 	golang.org/x/tools v0.17.0 // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
-	google.golang.org/appengine v1.6.8 // indirect
 	google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240401170217-c3f982113cda // indirect
 	gopkg.in/cenkalti/backoff.v1 v1.1.0 // indirect