chore(deps-dev): bump @types/http-proxy from 1.17.5 to 1.17.6

Bumps [@types/http-proxy](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/http-proxy) from 1.17.5 to 1.17.6.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/http-proxy)

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