Add an equivalent of `adb-with-private-links-exfiltration-protection` to GCP

[r3stl355]

There are couple of examples in other repos but nothing in this one, having something similar for GCP would be valuable.

Here is one example which could be further extended by adding hub and spoke: https://github.com/databricks/terraform-databricks-sra

[alexott]

@bhavink has a number of examples with PSC: https://github.com/bhavink/databricks/tree/master/gcpdb4u/templates/terraform-scripts

[micheledaddetta-databricks]

Hello @r3stl355 I can work on it if you want

[r3stl355]

Thank you, go for it @micheledaddetta-databricks, I think @alexott can assign this to you