protocol/pubsub: bump cloud.google.com/go/pubsub to latest (#777)

Stay up to date and bring some fixes.
googleapis/google-cloud-go@pubsub/v1.17.0...pubsub/v1.23.0

Signed-off-by: Iñigo Horcajo <inigohu@gmail.com>

protocol/pubsub/v2/go.mod

@@ -5,22 +5,25 @@ go 1.17
 replace github.com/cloudevents/sdk-go/v2 => ../../../v2
 
 require (
-	cloud.google.com/go/pubsub v1.17.0
+	cloud.google.com/go/pubsub v1.23.0
 	github.com/cloudevents/sdk-go/v2 v2.5.0
-	github.com/google/go-cmp v0.5.6
+	github.com/google/go-cmp v0.5.8
 	github.com/stretchr/testify v1.7.0
-	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	google.golang.org/api v0.54.0
-	google.golang.org/genproto v0.0.0-20210824181836-a4879c3d0e89
-	google.golang.org/grpc v1.40.0
+	golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f
+	google.golang.org/api v0.84.0
+	google.golang.org/genproto v0.0.0-20220617124728-180714bec0ad
+	google.golang.org/grpc v1.47.0
 )
 
 require (
-	cloud.google.com/go v0.93.3 // indirect
+	cloud.google.com/go v0.102.1 // indirect
+	cloud.google.com/go/compute v1.6.1 // indirect
+	cloud.google.com/go/iam v0.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/googleapis/gax-go/v2 v2.0.5 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.0.0-20220520183353-fd19c99a87aa // indirect
+	github.com/googleapis/gax-go/v2 v2.4.0 // indirect
 	github.com/json-iterator/go v1.1.10 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
 	github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 // indirect
@@ -29,11 +32,11 @@ require (
 	go.uber.org/atomic v1.4.0 // indirect
 	go.uber.org/multierr v1.1.0 // indirect
 	go.uber.org/zap v1.10.0 // indirect
-	golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420 // indirect
-	golang.org/x/oauth2 v0.0.0-20210805134026-6f1e6394065a // indirect
-	golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069 // indirect
-	golang.org/x/text v0.3.6 // indirect
+	golang.org/x/net v0.0.0-20220607020251-c690dde0001d // indirect
+	golang.org/x/oauth2 v0.0.0-20220608161450-d0670ef3b1eb // indirect
+	golang.org/x/sys v0.0.0-20220610221304-9f5ed59c137d // indirect
+	golang.org/x/text v0.3.7 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
 )