fix google_project_service docs to mention it supports user project overrides (#5036) (#3495)

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/5036.txt

@@ -0,0 +1,3 @@
+```release-note:none
+
+```

google-beta/resource_gke_hub_feature_membership_test.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"testing"
 
-	dcl "github.com/GoogleCloudPlatform/declarative-resource-client-library/dcl"
+	"github.com/GoogleCloudPlatform/declarative-resource-client-library/dcl"
 	gkehub "github.com/GoogleCloudPlatform/declarative-resource-client-library/services/google/gkehub/beta"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"

website/docs/r/google_project_service.html.markdown

@@ -70,3 +70,9 @@ $ terraform import google_project_service.my_project your-project-id/iam.googlea
 ```
 
 Note that unlike other resources that fail if they already exist, `terraform apply` can be successfully used to verify already enabled services. This means that when importing existing resources into Terraform, you can either import the `google_project_service` resources or treat them as new infrastructure and run `terraform apply` to add them to state.
+
+
+
+## User Project Overrides
+
+This resource supports [User Project Overrides](https://www.terraform.io/docs/providers/google/guides/provider_reference.html#user_project_override).