Gcp sidekick integration server token

[ammarekbote]

Summary

Expose server token for GcpSidekick integration

How did you test this change?

Modified test to check for server token and ran make test to verify the test still passes.
Imported the code in terraform-module and verified we see the server_token there.

Apply complete! Resources: 1 added, 0 changed, 0 destroyed.

Outputs:

bucket_name = "storage bucket id"
client_email = "[email protected]"
client_id = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
name = "GCP Agentless Scanning Example"
scan_frequency = 24
scanning_project_id = "gcp-lw-scanner"
server_token = "_xyzdefasasas"

Issue

[dmurray-lacework]

@ammarekbote think we just need to rebase and sign commits on this before merging.