Problem with correct display of language in hCaptcha

Current status

src="https://js.hcaptcha.com/1/api.js?hl=cs_CZ

Desired status

src="https://js.hcaptcha.com/1/api.js?hl=cs

with documentation: https://docs.hcaptcha.com/languages

This has been changed in 4.7.2 which is scheduled for release soon