Bump cloud.google.com/go/pubsub from 1.20.0 to 1.21.0

Bumps [cloud.google.com/go/pubsub](https://github.com/googleapis/google-cloud-go) from 1.20.0 to 1.21.0.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/CHANGES.md)
- [Commits](https://github.com/googleapis/google-cloud-go/compare/pubsub/v1.20.0...pubsub/v1.21.0)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/pubsub
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	cloud.google.com/go v0.100.2 // indirect
-	cloud.google.com/go/pubsub v1.20.0
+	cloud.google.com/go/pubsub v1.21.0
 	cloud.google.com/go/storage v1.22.0
 	github.com/Azure/azure-pipeline-go v0.2.3
 	github.com/Azure/azure-storage-blob-go v0.14.0

go.sum

@@ -61,8 +61,8 @@ cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
 cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/pubsub v1.19.0/go.mod h1:/O9kmSe9bb9KRnIAWkzmqhPjHo6LtzGOBYd/kr06XSs=
-cloud.google.com/go/pubsub v1.20.0 h1:QuwfH5BpEIE9T3n0YK3PKlsXi/TmHMu593UpOVlWygI=
-cloud.google.com/go/pubsub v1.20.0/go.mod h1:IbztU2hgrVroK+PUU6H42CcL0ISZuyOOlrnReZj6Uv8=
+cloud.google.com/go/pubsub v1.21.0 h1:mWyK5FZR1B1cwRUGVk2i+s4PMEQTivsO7V9AkzWEL7w=
+cloud.google.com/go/pubsub v1.21.0/go.mod h1:W8O6eOJ153eZew+q6ZT7bj8tUEIVudi29UlXXzWGgT4=
 cloud.google.com/go/secretmanager v1.3.0/go.mod h1:+oLTkouyiYiabAQNugCeTS3PAArGiMJuBqvJnJsyH+U=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
@@ -1275,8 +1275,9 @@ golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20211116232009-f0f3c7e86c11/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20220224211638-0e9765cccd65 h1:M73Iuj3xbbb9Uk1DYhzydthsj6oOd6l9bpuFcNoUvTs=
 golang.org/x/time v0.0.0-20220224211638-0e9765cccd65/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20220411224347-583f2d630306 h1:+gHMid33q6pen7kv9xvT+JRinntgeXO2AeZVd0AWD3w=
+golang.org/x/time v0.0.0-20220411224347-583f2d630306/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=