deps: bump netwatch

[Frando]

Description

Bumps netwatch to git main (to be released as netwatch 0.20).

Breaking Changes

Notes & open questions

Change checklist

• Self-review.
• Documentation updates following the style guide, if relevant.
• Tests if relevant.
• All breaking changes documented.
• This PR was created by a human that thought critically about the
  proposed change and wrote an as clear and concise description as
  they could.
• This PR isn't slop, and is carefully crafted to do have the
  intented effect.

[github-actions]

Documentation for this PR has been generated and is available at: https://n0-computer.github.io/iroh/pr/4429/docs/iroh/

Last updated: 2026-07-20T13:42:40Z

[github-actions]

Netsim report & logs for this PR have been generated and is available at: LOGS
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Last updated for commit: d87870a

[flub]

lgtm but I expect this to break noq's patchbay tests since that has to patch in noq into here and deletes any patch section here. The patchbay noq CI script will have to become smarter.

Since patchbay tests on noq are required now, please try and fix this first on the noq side before merging. Otherwise everything in noq will be blocked on this.

Maybe we should switch to a tool like https://github.com/sen-ltd/toml-query instead of the sed stuff it does now.

(also, surprised that this didn't require any other changes)

[Frando]

(also, surprised that this didn't require any other changes)

The only actual change since last release is n0-computer/net-tools#163, and while it is technically breaking, in reality it usually is not (it replaces netdev reexports with identically-shaped structs defined in netwatch).