Break out last commit id to make it easier to consume (#195)

Author: rbnswartz

PipelineCommon/Models/BusMessages/WACSMessage.cs

@@ -7,6 +7,7 @@ public class WACSMessage
     public string User { get; set; }
     public string Repo { get; set; }
     public SimplifiedCommit LatestCommit { get; set; }
+    public string LastCommitId { get; set; }
     public int RepoId { get; set; }
     public string Action { get; set; }
     public string DefaultBranch { get; set; }

ScriptureRenderingPipeline/Webhook.cs

@@ -105,6 +105,7 @@ public async Task<HttpResponseData> RunAsync(
 					Username = webhookEvent.commits[0].Committer.Username,
 					Url = webhookEvent.commits[0].Url
 				};
+				message.LastCommitId = webhookEvent.commits[0].Id;
 			}
 
 			await using var sender = _serviceBusClient.CreateSender("WACSEvent");