Bump golang.org/x/oauth2 from 0.17.0 to 0.18.0

Bumps [golang.org/x/oauth2](https://github.com/golang/oauth2) from 0.17.0 to 0.18.0.
- [Commits](https://github.com/golang/oauth2/compare/v0.17.0...v0.18.0)

---
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>

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/spf13/cobra v1.8.0
 	github.com/stretchr/testify v1.8.4
-	golang.org/x/oauth2 v0.17.0
+	golang.org/x/oauth2 v0.18.0
 )
 
 require (
@@ -34,10 +34,10 @@ require (
 	github.com/skeema/knownhosts v1.2.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
-	golang.org/x/crypto v0.19.0 // indirect
+	golang.org/x/crypto v0.21.0 // indirect
 	golang.org/x/mod v0.12.0 // indirect
-	golang.org/x/net v0.21.0 // indirect
-	golang.org/x/sys v0.17.0 // indirect
+	golang.org/x/net v0.22.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
 	golang.org/x/tools v0.13.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect