fix: add missing eventsource-parser dependency

Author: domnit

package-lock.json

@@ -50,6 +50,7 @@
     "cors": "^2.8.5",
     "cross-spawn": "^7.0.3",
     "eventsource": "^3.0.2",
+    "eventsource-parser": "^3.0.0",
     "express": "^5.0.1",
     "express-rate-limit": "^7.5.0",
     "pkce-challenge": "^5.0.0",