Secure Firewall - SSE - Update Network Group Literals

Updates the literals of an existing network group for the given domain UUID.

Note: This atomic is for use with the SecureX SSE API proxy. For more information about how this works, see: https://ciscosecurity.github.io/sxo-05-security-workflows/workflows/secure-firewall/api-types

Target: HTTP Endpoint for "visibility.amp.cisco.com" with a path of "/iroh"

Account Key: None (uses an access token)

Steps:
[] Generate the JSON payloads
[] Send the API request to the SSE API proxy
[] Check if the request was successful:
[]> If it wasn't, return an error
[] Extract the result of the proxied request
[] Check if the proxied request was successful:
[]> If it was, set the output variables
[]> If it wasn't, return an error