HCaptcha doesn't use script integrity checking for status page

The following discussion from !150 (merged) should be addressed:

• @zacharysabourin started a discussion: (+2 comments)

  This was a security risk. As per the recommendations on this page, I downloaded the file to a temp folder and generated a hash using this command:

  cat api.js?hl=en | openssl dgst -sha384 -binary | openssl base64 -A