Replace access_config argument with block (#3745)
Replace access_config argument with block (#3745)

* Replace access_config argument with block

```
Error: Unsupported argument

  on main.tf line 21, in resource "google_compute_instance" "vm_instance":
  21:     access_config = {

An argument named "access_config" is not expected here. Did you mean to define
a block of type "access_config"?
```

* Edit other instances of access_config

ubschmidt2/terraform-provider-google,ubschmidt2/terraform-provider-google,hashicorp/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,terraform-providers/terraform-provider-google,ubschmidt2/terraform-provider-google,ubschmidt2/terraform-provider-google,terraform-providers/terraform-provider-google,terraform-providers/terraform-provider-google