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

https://github.com/TinfoilSubmarine/void-packages maint/synapse
https://github.com/void-linux/void-packages/pull/39256

synapse: update to 1.67.0.
- python3-pydantic: update to 1.10.2.
- synapse: update to 1.67.0.

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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/39256.patch is attached