Bump http-proxy-middleware from 2.0.6 to 2.0.7 in /frontend

Bumps [http-proxy-middleware](https://github.com/chimurai/http-proxy-middleware) from 2.0.6 to 2.0.7.
- [Release notes](https://github.com/chimurai/http-proxy-middleware/releases)
- [Changelog](https://github.com/chimurai/http-proxy-middleware/blob/v2.0.7/CHANGELOG.md)
- [Commits](chimurai/http-proxy-middleware@v2.0.6...v2.0.7)

---
updated-dependencies:
- dependency-name: http-proxy-middleware
  dependency-type: indirect
...

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

frontend/yarn.lock

@@ -7820,8 +7820,8 @@ __metadata:
   linkType: hard
 
 "http-proxy-middleware@npm:^2.0.3":
-  version: 2.0.6
-  resolution: "http-proxy-middleware@npm:2.0.6"
+  version: 2.0.7
+  resolution: "http-proxy-middleware@npm:2.0.7"
   dependencies:
     "@types/http-proxy": "npm:^1.17.8"
     http-proxy: "npm:^1.18.1"
@@ -7833,7 +7833,7 @@ __metadata:
   peerDependenciesMeta:
     "@types/express":
       optional: true
-  checksum: 10c0/25a0e550dd1900ee5048a692e0e9b2b6339d06d487a705d90c47e359e9c6561d648cd7862d001d090e651c9efffa1b6e5160fcf1f299b5fa4935f76e9754eb11
+  checksum: 10c0/8d00a61eb215b83826460b07489d8bb095368ec16e02a9d63e228dcf7524e7c20d61561e5476de1391aecd4ec32ea093279cdc972115b311f8e0a95a24c9e47e
   languageName: node
   linkType: hard