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

linux: update to 6.3, linux-lts: update to 6.1
https://github.com/void-linux/void-packages/pull/44526

Description:
linux:
- [x] zfs-2.1.12 supports 6.3
- [x] @abenson does nvidia support 6.3 yet?

linux-lts:
- 6.1 is the [latest lts branch](https://kernel.org), do we want to switch to it already?

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