Fix a couple of GCP examples (#2196)

Fixes pulumi/pulumi-gcp#3317

Author: Zaid-Ajaj

gcp-cs-functions/FunctionsStack.cs

@@ -8,7 +8,10 @@ class FunctionsStack : Stack
 {
     public FunctionsStack()
     {
-        var bucket = new Bucket("bucket");
+        var bucket = new Bucket("bucket", new BucketArgs
+        {
+            Location = "US"
+        });
 
         var bucketObject = new BucketObject("python-zip", new BucketObjectArgs
         {

gcp-go-functions-raw/main.go

@@ -9,7 +9,9 @@ import (
 func main() {
 	pulumi.Run(func(ctx *pulumi.Context) error {
 		// Create a bucket.
-		bucket, err := storage.NewBucket(ctx, "bucket", nil)
+		bucket, err := storage.NewBucket(ctx, "bucket", &storage.BucketArgs{
+			Location: pulumi.String("US"),
+		})
 		if err != nil {
 			return err
 		}
@@ -27,7 +29,7 @@ func main() {
 		// Set arguments for creating the function resource.
 		args := &cloudfunctions.FunctionArgs{
 			SourceArchiveBucket: bucket.Name,
-			Runtime:             pulumi.String("python37"),
+			Runtime:             pulumi.String("python310"),
 			SourceArchiveObject: bucketObject.Name,
 			EntryPoint:          pulumi.String("handler"),
 			TriggerHttp:         pulumi.Bool(true),

gcp-go-functions/main.go

@@ -9,7 +9,9 @@ import (
 func main() {
 	pulumi.Run(func(ctx *pulumi.Context) error {
 		// Create a bucket.
-		bucket, err := storage.NewBucket(ctx, "bucket", nil)
+		bucket, err := storage.NewBucket(ctx, "bucket", &storage.BucketArgs{
+			Location: pulumi.String("US"),
+		})
 		if err != nil {
 			return err
 		}

gcp-go-gke/main.go

@@ -59,7 +59,7 @@ func main() {
 		}
 		_, err = appsv1.NewDeployment(ctx, "app-dep", &appsv1.DeploymentArgs{
 			Metadata: &metav1.ObjectMetaArgs{
-				Namespace: namespace.Metadata.Elem().Name(),
+				Namespace: namespace.Metadata.Name(),
 			},
 			Spec: appsv1.DeploymentSpecArgs{
 				Selector: &metav1.LabelSelectorArgs{
@@ -86,7 +86,7 @@ func main() {
 
 		service, err := corev1.NewService(ctx, "app-service", &corev1.ServiceArgs{
 			Metadata: &metav1.ObjectMetaArgs{
-				Namespace: namespace.Metadata.Elem().Name(),
+				Namespace: namespace.Metadata.Name(),
 				Labels:    appLabels,
 			},
 			Spec: &corev1.ServiceSpecArgs{

gcp-go-webserver/main.go

@@ -18,6 +18,9 @@ func main() {
 
 		computeFirewall, err := compute.NewFirewall(ctx, "firewall",
 			&compute.FirewallArgs{
+				SourceTags: pulumi.StringArray{
+					pulumi.String("web"),
+				},
 				Network: computeNetwork.SelfLink,
 				Allows: &compute.FirewallAllowArray{
 					&compute.FirewallAllowArgs{