lib: Fix max message size #963

Job	Run time
build on fedora:39	1m 42s
build on ubuntu:24.04	1m 56s
build on fedora:40	1m 43s
Build dist with Linux	45s
build on ubuntu:23.10	1m 42s
build on ubuntu:22.04	1m 34s
build on ubuntu:20.04	1m 32s
build on debian:12	1m 33s
build on debian:11	1m 41s
Build MacOS release (macos-latest, amd)	52s
Build Windows release (windows-latest, x86)	8m 33s
Build MacOS release (macos-latest-xlarge, arm)	47s
Build Windows release (windows-latest, x64)	7m 58s
	32m 18s

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