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

consul: add service
https://github.com/void-linux/void-packages/pull/44037

Description:
This adds a bundled service file to the consul package, similar to [nomad](https://github.com/void-linux/void-packages/tree/master/srcpkgs/nomad).

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

@iaroki