Broken references in Digital Goods API

[dontcallmedom-bot]

While crawling Digital Goods API, the following links to other specifications were detected as pointing to non-existing anchors:

• [ ] https://www.w3.org/TR/payment-request/#dfn-payment-permission

_{This issue was detected and reported semi-automatically by Strudy based on data collected in webref.}

[rsolomakhin]

Should be pointing to https://www.w3.org/TR/payment-request/#permissions-policy instead.