Async defer recaptcha script

[rameez-nuo]

currently the evaluation of recaptcha.js takes a bit long and affects the page speed perfomance it will be much better if we could defer evaluation of the recaptcha script

[farnabaz]

The module already use defer script for recaptcha api. If you want to have more control over loading script you can use version 3 and call $recaptcha.init anytime you want. recaptcha script will inject after calling init function