build(deps-dev): bump eventsource from 5.1.0 to 5.1.1 (#686)

Bumps [eventsource](https://github.com/EventSource/eventsource) from 5.1.0 to 5.1.1.
- [Release notes](https://github.com/EventSource/eventsource/releases)
- [Changelog](https://github.com/EventSource/eventsource/blob/main/CHANGELOG.md)
- [Commits](EventSource/eventsource@v5.1.0...v5.1.1)

---
updated-dependencies:
- dependency-name: eventsource
  dependency-version: 5.1.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -27,7 +27,7 @@
     "glob": "13.0.6"
   },
   "devDependencies": {
-    "eventsource": "^5.1.0",
+    "eventsource": "^5.1.1",
     "fetch-mock": "^12.6.0",
     "nock": "^14.0.17",
     "nodemon": "^3.1.14",