Try to correct go-critics

Signed-off-by: Jose Maria Alvarez <jose-maria.alvarez@leroymerlin.es>

pkg/scalers/gcp_pub_sub_scaler.go

@@ -181,12 +181,13 @@ func getGcpAuthorization(config *ScalerConfig, resolvedEnv map[string]string) (*
 		meta.podIdentityOwner = false
 	} else if metadata["identityOwner"] == "" || metadata["identityOwner"] == "pod" {
 		meta.podIdentityOwner = true
-		if config.PodIdentity == kedav1alpha1.PodIdentityProviderGCP {
-			//do nothing, rely on underneath metadata google
+		switch {
+		case config.PodIdentity == kedav1alpha1.PodIdentityProviderGCP:
+			// do nothing, rely on underneath metadata google
 			meta.podIdentityProviderEnabled = true
-		} else if authParams["GoogleApplicationCredentials"] != "" {
+		case authParams["GoogleApplicationCredentials"] != "":
 			meta.GoogleApplicationCredentials = authParams["GoogleApplicationCredentials"]
-		} else {
+		default:
 			if metadata["credentialsFromEnv"] != "" {
 				meta.GoogleApplicationCredentials = resolvedEnv[metadata["credentialsFromEnv"]]
 			} else {

pkg/scalers/stackdriver_client.go

@@ -20,7 +20,7 @@ import (
 type StackDriverClient struct {
 	metricsClient *monitoring.MetricClient
 	credentials   GoogleApplicationCredentials
-	projectId     string
+	projectID     string
 }
 
 // NewStackDriverClient creates a new stackdriver client with the credentials that are passed
@@ -57,7 +57,7 @@ func NewStackDriverClientPodIdentity(ctx context.Context) (*StackDriverClient, e
 	}
 	return &StackDriverClient{
 		metricsClient: client,
-		projectId:     project,
+		projectID:     project,
 	}, nil
 }
 
@@ -71,9 +71,9 @@ func (s StackDriverClient) GetMetrics(ctx context.Context, filter string) (int64
 
 	// Create a request with the filter and the GCP project ID
 	var req *monitoringpb.ListTimeSeriesRequest
-	if len(s.projectId) > 0 {
+	if len(s.projectID) > 0 {
 		req = &monitoringpb.ListTimeSeriesRequest{
-			Name:   "projects/" + s.projectId,
+			Name:   "projects/" + s.projectID,
 			Filter: filter,
 			Interval: &monitoringpb.TimeInterval{
 				StartTime: &timestamp.Timestamp{