deps(bytes): bytes v1.6.0 was yanked so upgrade to bytes v1.6.1

[cclauss]

Description

GitHub Actions cargo deny is failing at https://github.com/n0-computer/iroh/actions/runs/9928231752/job/27438879671

% cargo update -p bytes

    Updating crates.io index
     Locking 1 package to latest compatible version
    Updating bytes v1.6.0 -> v1.6.1
note: pass `--verbose` to see 152 unchanged dependencies behind latest

https://github.com/tokio-rs/bytes/blob/master/CHANGELOG.md to get the fix in

• Correct is_unique for Bytes from shared BytesMut tokio-rs/bytes#718

Breaking Changes

Notes & open questions

Change checklist

• Self-review.
• Documentation updates following the style guide, if relevant.
• Tests if relevant.
• All breaking changes documented.

[flub]

Thanks!

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