Made tags GA (#4661) (#3130)

* Made tags GA

* Corrected trailing references to testAccProvidersOiCS

* Lint fix

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

Author: modular-magician

.changelog/4661.txt

@@ -0,0 +1,15 @@
+```release-note:enhancement
+tags: promoted `google_tags_tag_key` to GA
+```
+```release-note:enhancement
+tags: promoted `google_tags_tag_value` to GA
+```
+```release-note:enhancement
+tags: promoted `google_tags_tag_binding` to GA
+```
+```release-note:enhancement
+tags: promoted `google_tags_tag_key_iam_*` to GA
+```
+```release-note:enhancement
+tags: promoted `google_tags_tag_value_iam_*` to GA
+```

google-beta/resource_dataflow_flex_template_job_test.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
-	compute "google.golang.org/api/compute/v1"
+	"google.golang.org/api/compute/v1"
 )
 
 func TestAccDataflowFlexTemplateJob_basic(t *testing.T) {