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

https://github.com/daniel-eys/void-packages texlab
https://github.com/void-linux/void-packages/pull/21689

New package: texlab-2.0.0
> An implementation of the Language Server Protocol for LaTeX
https://github.com/latex-lsp/texlab

A patch file from https://github.com/void-linux/void-packages/pull/21689.patch is attached