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

steam-udev-rules: split from steam package
https://github.com/void-linux/void-packages/pull/45832

Description:
this is advantageous for several reasons:
- accurate license (and not in /nonfree/)
- can be updated independent from steam
- available for all archs

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

cc @abenson