feat: add bot datasource

[parkedwards]

relates to #27

data "prefect_bot" "test" {
  id = "<service account ID>"
}

output "debug" {
  value = data.prefect_bot.test
}

terraform plan

# ...

Changes to Outputs:
  + debug = {
      + account_id        = "<account ID>"
      + account_role_name = "Member"
      + created           = "2023-10-20T03:40:54Z"
      + id                = "<service account ID>"
      + name              = "eddie-testfoolio"
      + updated           = "2023-10-20T23:20:38Z"
    }

[parkedwards]

this is a duplicate block of the lines right above it - prob from a past copy pasta

[parkedwards]

going to hold off on this, pending #49 (comment)