build(deps-dev): bump eventsource from 2.0.2 to 3.0.1 (#573)

Bumps [eventsource](https://github.com/EventSource/eventsource) from 2.0.2 to 3.0.1.
- [Release notes](https://github.com/EventSource/eventsource/releases)
- [Changelog](https://github.com/EventSource/eventsource/blob/main/CHANGELOG.md)
- [Commits](EventSource/eventsource@v2.0.2...v3.0.1)

---
updated-dependencies:
- dependency-name: eventsource
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -28,7 +28,7 @@
     "glob": "11.0.0"
   },
   "devDependencies": {
-    "eventsource": "^2.0.2",
+    "eventsource": "^3.0.1",
     "fetch-mock": "^12.2.0",
     "nock": "^13.5.6",
     "nodemon": "^3.1.7",