Bump eventsource from 1.1.0 to 1.1.2 in /frontend

Bumps [eventsource](https://github.com/EventSource/eventsource) from 1.1.0 to 1.1.2.
- [Release notes](https://github.com/EventSource/eventsource/releases)
- [Changelog](https://github.com/EventSource/eventsource/blob/master/HISTORY.md)
- [Commits](https://github.com/EventSource/eventsource/compare/v1.1.0...v1.1.2)

---
updated-dependencies:
- dependency-name: eventsource
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

frontend/yarn.lock

@@ -5266,11 +5266,9 @@ events@^3.0.0:
   integrity sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==
 
 eventsource@^1.0.7:
-  version "1.1.0"
-  resolved "https://registry.npmjs.org/eventsource/-/eventsource-1.1.0.tgz"
-  integrity sha512-VSJjT5oCNrFvCS6igjzPAt5hBzQ2qPBFIbJ03zLI9SE0mxwZpMw6BfJrbFHm1a141AavMEB8JHmBhWAd66PfCg==
-  dependencies:
-    original "^1.0.0"
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-1.1.2.tgz#bc75ae1c60209e7cb1541231980460343eaea7c2"
+  integrity sha512-xAH3zWhgO2/3KIniEKYPr8plNSzlGINOUqYj0m0u7AB81iRw8b/3E73W6AuU+6klLbaSFmZnaETQ2lXPfAydrA==
 
 evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
   version "1.0.3"
@@ -8555,13 +8553,6 @@ optionator@^0.9.1:
     type-check "^0.4.0"
     word-wrap "^1.2.3"
 
-original@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.npmjs.org/original/-/original-1.0.2.tgz"
-  integrity sha512-hyBVl6iqqUOJ8FqRe+l/gS8H+kKYjrEndd5Pm1MfBtsEKA038HkkdbAl/72EAXGyonD/PFsvmVG+EvcIpliMBg==
-  dependencies:
-    url-parse "^1.4.3"
-
 os-browserify@^0.3.0:
   version "0.3.0"
   resolved "https://registry.npmjs.org/os-browserify/-/os-browserify-0.3.0.tgz"