[jancy] bump SO version (jancy-1.12.0) #214

Job	Run time
macOS Build (Debug, llvm@15)	17m 48s
Linux Build (Debug, x86, llvm-12)	14m 42s
macOS Build (Debug, llvm@17)	19m 5s
Windows Build (Debug, x86, llvm-3.4.2)	8m 22s
Linux Build (Debug, x86, llvm-14)	16m 49s
macOS Build (Release, llvm@15)	14m 57s
Windows Build (Debug, x86, llvm-8.0.1)	12m 30s
macOS Build (Release, llvm@17)	18m 39s
Linux Build (Debug, amd64, llvm-12)	12m 38s
Windows Build (Debug, x86, llvm-18.1.8)	16m 7s
Linux Build (Debug, amd64, llvm-14)	14m 20s
Windows Build (Debug, amd64, llvm-3.4.2)	12m 3s
Linux Build (Release, x86, llvm-12)	12m 24s
Windows Build (Debug, amd64, llvm-8.0.1)	22m 24s
Linux Build (Release, x86, llvm-14)	14m 21s
Windows Build (Debug, amd64, llvm-18.1.8)	17m 14s
Linux Build (Release, amd64, llvm-12)	10m 19s
Windows Build (Release, x86, llvm-3.4.2)	7m 59s
Linux Build (Release, amd64, llvm-14)	12m 20s
Windows Build (Release, x86, llvm-8.0.1)	7m 36s
Windows Build (Release, x86, llvm-18.1.8)	8m 43s
Windows Build (Release, amd64, llvm-3.4.2)	7m 35s
Windows Build (Release, amd64, llvm-8.0.1)	8m 13s
Windows Build (Release, amd64, llvm-18.1.8)	7m 41s
	5h 14m 49s

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