[trivial] Fix the InterPlanetary File System (IPFS) url

[dmonakhov]

Currently the InterPlanetary File System (IPFS) URL points to https://www.ipfs.com which obviously is incorrect since this is completely different project [1], correct url is https://ipfs.tech/, similar reference on ION's page [2]

Footnores [1] One Platform for Premium Finance and Payments https://github.com/decentralized-identity/ion/blob/master/install-guide.md#3-installing-kubo-ipfs [2] https://github.com/decentralized-identity/ion/blob/master/install-guide.md#3-installing-kubo-ipfs