Switch to the official (now fixed) event-stream types

Author: pimterry

custom-typings/event-stream.d.ts

@@ -40,6 +40,7 @@
     "@types/cors": "^2.8.7",
     "@types/dns2": "^2.0.0",
     "@types/dockerode": "^3.3.0",
+    "@types/event-stream": "^4.0.0",
     "@types/express-serve-static-core": "^4.17.24",
     "@types/gunzip-maybe": "^1.4.0",
     "@types/node-fetch": "^2.5.4",