Add supported locations of cloudfunction (#1863)
Add supported locations of cloudfunction (#1863)

Cloudfunction facility is now supported in 4 locations.
This pull-request updates the list to catch up with it.
hashicorp/terraform-provider-google-beta,terraform-providers/terraform-provider-google,ubschmidt2/terraform-provider-google,hashicorp/terraform-provider-google-beta,drebes/terraform-provider-google,ubschmidt2/terraform-provider-google,drebes/terraform-provider-google,ubschmidt2/terraform-provider-google,hashicorp/terraform-provider-google-beta,ubschmidt2/terraform-provider-google,hashicorp/terraform-provider-google,terraform-providers/terraform-provider-google,terraform-providers/terraform-provider-google,hashicorp/terraform-provider-google,hashicorp/terraform-provider-google-beta,terraform-providers/terraform-provider-google,hashicorp/terraform-provider-google,drebes/terraform-provider-google,hashicorp/terraform-provider-google,terraform-providers/terraform-provider-google,drebes/terraform-provider-google