chore: use OpenArchive dependency forks

[tripledoublev]

Summary

• repoint veilid-iroh-blobs from RangerMauve to OpenArchive
• repoint iroh patch crates from tripledoublev/iroh to OpenArchive/iroh
• keep release tags and pinned revisions unchanged

Verification

• cargo update -p veilid-iroh-blobs -p iroh -p iroh-net -p iroh-base -p iroh-metrics -p iroh-blobs -p iroh-docs -p iroh-gossip
• cargo build