Bump golang.org/x/oauth2 from 0.3.0 to 0.4.0

Bumps [golang.org/x/oauth2](https://github.com/golang/oauth2) from 0.3.0 to 0.4.0.
- [Release notes](https://github.com/golang/oauth2/releases)
- [Commits](golang/oauth2@v0.3.0...v0.4.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -24,7 +24,7 @@ require (
 	github.com/tektoncd/plumbing v0.0.0-20220817140952-3da8ce01aeeb
 	go.opencensus.io v0.24.0
 	go.uber.org/zap v1.24.0
-	golang.org/x/oauth2 v0.3.0
+	golang.org/x/oauth2 v0.4.0
 	gomodules.xyz/jsonpatch/v2 v2.2.0
 	gopkg.in/square/go-jose.v2 v2.6.0
 	k8s.io/api v0.25.4