Fix macOS linker warnings #20219

Job	Run time
filter-changes	4s
lint	4m 36s
build (ubuntu-22.04)	2m 21s
unittests (ubuntu-22.04)	5m 43s
quicktests	2m 18s
unittests (ubuntu-latest-arm-8-cores)	5m 43s
build (ubuntu-latest-arm-8-cores)	4m 37s
unittests (self-hosted, macOS, ARM64, go-spacemesh)	5m 29s
build (macos-13)	4m 38s
unittests (windows-2022)	5m 37s
build (self-hosted, macOS, ARM64, go-spacemesh)	35s
build (windows-2022)	3m 59s
ci-status	7s
	45m 47s

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