deps: update merve to 1.2.0 #4090

Job	Run time
Build slim tarball	2m 16s
x86_64-linux: with shared libraries	21m 39s
aarch64-linux: with shared libraries	18m 40s
x86_64-darwin: with shared libraries	33m 0s
aarch64-darwin: with shared libraries	19m 32s
	1h 35m 7s

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