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

https://github.com/tsndqst/void-packages containerd-1.4
https://github.com/void-linux/void-packages/pull/28734

containerd: update to 1.4.3.
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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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There was a previous [pull request](https://github.com/void-linux/void-packages/pull/27116) to update to 1.4.3  but the EOL date was not clear for 1.3.  https://github.com/containerd/containerd/blob/master/RELEASES.md#support-horizon indicates the EOL date for 1.3 is in a couple weeks.

A patch file from https://github.com/void-linux/void-packages/pull/28734.patch is attached