Explore use of @helia/verified-fetch

Explore & integrate (if appropriate) `@helia/verified-fetch` to improve our IPFS fetching/gateway issues. It appears Verified Fetch [supports the use of redundant gateways](https://blog.ipfs.tech/verified-fetch/#fast-and-resilient-retrieval-with-multiple-gateways).

Reference: https://blog.ipfs.tech/verified-fetch/