There is an updated pull request by zdykstra against master on the void-packages repository

https://github.com/zdykstra/void-packages haproxy-hitless-reload
https://github.com/void-linux/void-packages/pull/32423

haproxy: enable hitless reloads
Switch HAProxy to a master/worker (-W) model, allowing for correct
handling of HUP signals. To do listening FD handoff, a stats socket with
'expose-fd listeners' needs to be part of the configuration file.

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#### General
- [ ] This is a new package and it conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements)

#### Have the results of the proposed changes been tested?
- [x] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [ ] I generally don't use the affected packages but briefly tested this PR

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A patch file from https://github.com/void-linux/void-packages/pull/32423.patch is attached