There is a new pull request by paper42 against master on the void-packages repository

https://github.com/paper42/void-packages caddy-2.6.3
https://github.com/void-linux/void-packages/pull/42157

caddy: update to 2.6.3.
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fixes build with go 1.20

#### Testing the changes
- I tested the changes in this PR: **YES**

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A patch file from https://github.com/void-linux/void-packages/pull/42157.patch is attached