build(deps): bump cloud.google.com/go from 0.54.0 to 0.93.3

Bumps [cloud.google.com/go](https://github.com/googleapis/google-cloud-go) from 0.54.0 to 0.93.3.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/master/CHANGES.md)
- [Commits](googleapis/google-cloud-go@v0.54.0...v0.93.3)

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

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

go.mod

@@ -3,7 +3,7 @@ module sigs.k8s.io/external-dns
 go 1.16
 
 require (
-	cloud.google.com/go v0.54.0
+	cloud.google.com/go v0.93.3
 	git.blindage.org/21h/hcloud-dns v0.0.0-20200807003420-f768ffe03f8d
 	github.com/Azure/azure-sdk-for-go v45.1.0+incompatible
 	github.com/Azure/go-autorest/autorest v0.11.19
@@ -29,7 +29,7 @@ require (
 	github.com/form3tech-oss/jwt-go v3.2.5+incompatible // indirect
 	github.com/go-gandi/go-gandi v0.0.0-20200921091836-0d8a64b9cc09
 	github.com/golang/sync v0.0.0-20180314180146-1d60e4601c6f
-	github.com/google/go-cmp v0.5.5
+	github.com/google/go-cmp v0.5.6
 	github.com/gophercloud/gophercloud v0.1.0
 	github.com/gorilla/mux v1.7.4 // indirect
 	github.com/hooklift/gowsdl v0.4.0
@@ -61,9 +61,9 @@ require (
 	go.uber.org/ratelimit v0.1.0
 	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
 	golang.org/x/net v0.0.0-20210520170846-37e1c6afe023
-	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
+	golang.org/x/oauth2 v0.0.0-20210805134026-6f1e6394065a
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	google.golang.org/api v0.20.0
+	google.golang.org/api v0.54.0
 	gopkg.in/ns1/ns1-go.v2 v2.0.0-20190322154155-0dafb5275fd1
 	gopkg.in/yaml.v2 v2.4.0
 	istio.io/api v0.0.0-20210128181506-0c4b8e54850f