build(deps): bump google.golang.org/grpc in /plugins/gcpaudit

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.64.0 to 1.64.1.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.64.0...v1.64.1)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: indirect
...

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

plugins/gcpaudit/go.mod

@@ -14,15 +14,13 @@ require (
 	cloud.google.com/go v0.115.0 // indirect
 	cloud.google.com/go/auth v0.5.1 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.2 // indirect
-	cloud.google.com/go/compute v1.27.0 // indirect
 	cloud.google.com/go/compute/metadata v0.3.0 // indirect
 	cloud.google.com/go/iam v1.1.8 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/s2a-go v0.1.7 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
 	github.com/googleapis/gax-go/v2 v2.12.4 // indirect
@@ -40,10 +38,9 @@ require (
 	golang.org/x/sys v0.21.0 // indirect
 	golang.org/x/text v0.16.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
-	google.golang.org/appengine v1.6.8 // indirect
 	google.golang.org/genproto v0.0.0-20240610135401-a8a62080eff3 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240604185151-ef581f913117 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117 // indirect
-	google.golang.org/grpc v1.64.0 // indirect
+	google.golang.org/grpc v1.64.1 // indirect
 	google.golang.org/protobuf v1.34.2 // indirect
 )