There's a merged pull request on the void-packages repository

go: update to 1.20.1.
https://github.com/void-linux/void-packages/pull/42373

Description:
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#### Testing the changes
- I tested the changes in this PR: **YES** (compiled `syncthing`)

Go 1.20.1 includes a bunch of security fixes, so this should probably be merged
as soon as possible.

@the-maldridge

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