chore(pdp): add ExternalUrl for IPNI to be announced correctly [DO NOT MERGE]#810

beck-8 wants to merge 1 commit intofilecoin-project:pdpv0filecoin-project/curio:pdpv0from

beck-8:fix/pdp-IPNIbeck-8/curio:fix/pdp-IPNICopy head branch name to clipboard