Add sentry close to sigterm handler

src/bundle/Server.ts

@@ -22,6 +22,7 @@ const gateway = new Gateway.Server({ server, port, production });
 process.on("SIGTERM", async () => {
 	console.log("Shutting down due to SIGTERM");
 	server.close();
+	Sentry.close();
 });
 
 async function main() {

src/util/util/Sentry.ts

@@ -99,4 +99,8 @@ export const Sentry = {
 			res.end(res.sentry + "\n");
 		});
 	},
+
+	close: () => {
+		SentryNode.close();
+	},
 };