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

https://github.com/ericonr/void-packages glibu
https://github.com/void-linux/void-packages/pull/28425

Update glib and glibmm and *mm friends
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I believe this is the last release series, the future is the ABI breaking version that uses gtk4. I will be preparing a PR for those, but I don't know what the transition period will look like.

A patch file from https://github.com/void-linux/void-packages/pull/28425.patch is attached