Bump @types/http-proxy from 1.17.5 to 1.17.7 (#3560)

Bumps [@types/http-proxy](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/http-proxy) from 1.17.5 to 1.17.7.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/http-proxy)

---
updated-dependencies:
- dependency-name: "@types/http-proxy"
  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>

package.json

@@ -271,7 +271,7 @@
     "@types/hapi": "^18.0.6",
     "@types/hoist-non-react-statics": "^3.3.1",
     "@types/html-webpack-plugin": "^3.2.3",
-    "@types/http-proxy": "^1.17.5",
+    "@types/http-proxy": "^1.17.7",
     "@types/jest": "^26.0.22",
     "@types/js-yaml": "^3.12.4",
     "@types/jsdom": "^16.2.4",