Bump cloud.google.com/go/storage from 1.27.0 to 1.28.0 (#560)

Bumps [cloud.google.com/go/storage](https://github.com/googleapis/google-cloud-go) from 1.27.0 to 1.28.0.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/CHANGES.md)
- [Commits](googleapis/google-cloud-go@spanner/v1.27.0...spanner/v1.28.0)

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

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -3,7 +3,7 @@ module github.com/ovotech/cloud-key-rotator
 go 1.16
 
 require (
-	cloud.google.com/go/storage v1.27.0
+	cloud.google.com/go/storage v1.28.0
 	github.com/CircleCI-Public/circleci-cli v0.1.19183
 	github.com/DataDog/datadog-api-client-go v1.13.0
 	github.com/Sectorbob/mlab-ns2 v0.0.0-20171030222938-d3aa0c295a8a

go.sum

@@ -111,8 +111,9 @@ cloud.google.com/go/gkeconnect v0.6.0/go.mod h1:Mln67KyU/sHJEBY8kFZ0xTeyPtzbq9St
 cloud.google.com/go/gkehub v0.9.0/go.mod h1:WYHN6WG8w9bXU0hqNxt8rm5uxnk8IH+lPY9J2TV7BK0=
 cloud.google.com/go/gkehub v0.10.0/go.mod h1:UIPwxI0DsrpsVoWpLB0stwKCP+WFVG9+y977wO+hBH0=
 cloud.google.com/go/grafeas v0.2.0/go.mod h1:KhxgtF2hb0P191HlY5besjYm6MqTSTj3LSI+M+ByZHc=
-cloud.google.com/go/iam v0.3.0 h1:exkAomrVUuzx9kWFI1wm3KI0uoDeUFPB4kKGzx6x+Gc=
 cloud.google.com/go/iam v0.3.0/go.mod h1:XzJPvDayI+9zsASAFO68Hk07u3z+f+JrT2xXNdp4bnY=
+cloud.google.com/go/iam v0.5.0 h1:fz9X5zyTWBmamZsqvqZqD7khbifcZF/q+Z1J8pfhIUg=
+cloud.google.com/go/iam v0.5.0/go.mod h1:wPU9Vt0P4UmCux7mqtRu6jcpPAb74cP1fh50J3QpkUc=
 cloud.google.com/go/language v1.4.0/go.mod h1:F9dRpNFQmJbkaop6g0JhSBXCNlO90e1KWx5iDdxbWic=
 cloud.google.com/go/language v1.6.0/go.mod h1:6dJ8t3B+lUYfStgls25GusK04NLh3eDLQnWM3mdEbhI=
 cloud.google.com/go/lifesciences v0.5.0/go.mod h1:3oIKy8ycWGPUyZDR/8RNnTOYevhaMLqh5vLUXs9zvT8=
@@ -173,8 +174,8 @@ cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9
 cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3fOKtUw0Xmo=
 cloud.google.com/go/storage v1.22.1/go.mod h1:S8N1cAStu7BOeFfE8KAQzmyyLkK8p/vmRq6kuBTW58Y=
 cloud.google.com/go/storage v1.23.0/go.mod h1:vOEEDNFnciUMhBeT6hsJIn3ieU5cFRmzeLgDvXzfIXc=
-cloud.google.com/go/storage v1.27.0 h1:YOO045NZI9RKfCj1c5A/ZtuuENUc8OAW+gHdGnDgyMQ=
-cloud.google.com/go/storage v1.27.0/go.mod h1:x9DOL8TK/ygDUMieqwfhdpQryTeEkhGKMi80i/iqR2s=
+cloud.google.com/go/storage v1.28.0 h1:DLrIZ6xkeZX6K70fU/boWx5INJumt6f+nwwWSHXzzGY=
+cloud.google.com/go/storage v1.28.0/go.mod h1:qlgZML35PXA3zoEnIkiPLY4/TOkUleufRlu6qmcf7sI=
 cloud.google.com/go/talent v1.1.0/go.mod h1:Vl4pt9jiHKvOgF9KoZo6Kob9oV4lwd/ZD5Cto54zDRw=
 cloud.google.com/go/talent v1.2.0/go.mod h1:MoNF9bhFQbiJ6eFD3uSsg0uBALw4n4gaCaEjBw9zo8g=
 cloud.google.com/go/videointelligence v1.6.0/go.mod h1:w0DIDlVRKtwPCn/C4iwZIJdvC69yInhW0cfi+p546uU=