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
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>