There is a new pull request by tsndqst against master on the void-packages repository

https://github.com/tsndqst/void-packages salt-contextvars
https://github.com/void-linux/void-packages/pull/33331

salt: add contextvars dependency conditional
The recent update to 3003.3 broke the `salt` package.  This PR intends to fix it.
A description of the issue is in the saltstack repo https://github.com/saltstack/salt/issues/60483

tldr: contextvars is included in recent versions of python.

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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/33331.patch is attached