Fix broken example hcl in google_logging_project_sink (#6206) (#4440)

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

Author: modular-magician

.changelog/6206.txt

@@ -0,0 +1,3 @@
+```release-note:none
+fix example hcl in `google_logging_project_sink`.
+```

website/docs/r/logging_project_sink.html.markdown

@@ -99,18 +99,19 @@ resource "google_logging_project_sink" "log-bucket" {
   destination = "logging.googleapis.com/projects/my-project/locations/global/buckets/_Default"
 
   exclusions {
-		name = "nsexcllusion1"
-		description = "Exclude logs from namespace-1 in k8s"
-		filter = "resource.type = k8s_container resource.labels.namespace_name=\"namespace-1\" "
-	}
+    name        = "nsexcllusion1"
+    description = "Exclude logs from namespace-1 in k8s"
+    filter      = "resource.type = k8s_container resource.labels.namespace_name=\"namespace-1\" "
+  }
 
-	exclusions {
-		name = "nsexcllusion2"
-		description = "Exclude logs from namespace-2 in k8s"
-		filter = "resource.type = k8s_container resource.labels.namespace_name=\"namespace-2\" "
-	}
+  exclusions {
+    name        = "nsexcllusion2"
+    description = "Exclude logs from namespace-2 in k8s"
+    filter      = "resource.type = k8s_container resource.labels.namespace_name=\"namespace-2\" "
+  }
 
   unique_writer_identity = true
+}
 ```