chore(deps): update module cloud.google.com/go to v0.115.0

internal/testbed/go.mod

@@ -194,16 +194,16 @@ require (
 	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842 // indirect
 	golang.org/x/mod v0.17.0 // indirect
 	golang.org/x/net v0.26.0 // indirect
-	golang.org/x/oauth2 v0.20.0 // indirect
+	golang.org/x/oauth2 v0.21.0 // indirect
 	golang.org/x/sync v0.7.0 // indirect
 	golang.org/x/sys v0.21.0 // indirect
 	golang.org/x/term v0.21.0 // indirect
 	golang.org/x/text v0.16.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
 	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
 	gonum.org/v1/gonum v0.15.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240520151616-dc85e6b867a5 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240520151616-dc85e6b867a5 // 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/protobuf v1.34.2 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
@@ -219,6 +219,6 @@ require (
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )
 
-replace cloud.google.com/go => cloud.google.com/go v0.114.0
+replace cloud.google.com/go => cloud.google.com/go v0.115.0
 
 replace github.com/Dynatrace/dynatrace-otel-collector/internal/k8stest v0.0.0 => ../k8stest