fix(deps): bump eventsource from 1.1.0 to 2.0.2

Bumps [eventsource](https://github.com/EventSource/eventsource) from 1.1.0 to 2.0.2.
- [Release notes](https://github.com/EventSource/eventsource/releases)
- [Changelog](https://github.com/EventSource/eventsource/blob/master/HISTORY.md)
- [Commits](EventSource/eventsource@v1.1.0...v2.0.2)

---
updated-dependencies:
- dependency-name: eventsource
  dependency-type: direct:production
...

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package.json

@@ -55,7 +55,7 @@
     "deepmerge": "^4.2.2",
     "deprecation": "^2.3.1",
     "dotenv": "^8.2.0",
-    "eventsource": "^1.0.7",
+    "eventsource": "^2.0.2",
     "express": "^4.17.1",
     "express-handlebars": "^6.0.3",
     "ioredis": "^4.27.8",