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

https://github.com/JamiKettunen/void-packages mozjs91-fix-update-check
https://github.com/void-linux/void-packages/pull/39227

mozjs91: fix update-check
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This doesn't update the package from `91.7.1` to `91.13.0` but at least we know updates **are available** :)

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

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A patch file from https://github.com/void-linux/void-packages/pull/39227.patch is attached