Application.get_env/3 is discouraged in the module body

[silverdr]

Apparently this line: https://github.com/samueljseay/recaptcha/blob/71cd746be987f6834c1a933f5d2f934350e55060/lib/recaptcha.ex#L11

triggers the following warning:

warning: Application.get_env/3 is discouraged in the module body, use Application.compile_env/3 instead => => # lib/recaptcha.ex:11: Recaptcha