chore: upgrade to iroh and iroh-base `v0.90.0 (#67)

* chore: update to iroh latest

* chore: update to latest iroh, remove `anyhow` in favor of `snafu` and `n0_snafu`

* chore: upgrade to `[email protected]`

* clippy

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Co-authored-by: “ramfox” <“[email protected]”>

Author: ramfox