Backport a fix for [CVE-2022-48468](https://cve.mitre.org/cgi- bin/cvename.cgi?name=CVE-2022-48468) for [protobuf-c](https://github.com/protobuf-c/protobuf-c), which is bundled in `libsignal-protocol-c`. https://github.com/protobuf-c/protobuf- c/commit/ec3d900001a13ccdaa8aef996b34c61159c76217

Source: Fedora 36: libsignal-protocol-c 2023-8b0938312e