migration: Write new data directory version if all migrations succeed #829

Job	Run time
Build apps module on windows-latest / Build apps module on windows-latest	5m 35s
Build apps module on ubuntu-latest / Build apps module on ubuntu-latest	3m 22s
Build apps module on macOS-latest / Build apps module on macOS-latest	3m 4s
Build apps module on macos-12 / Build apps module on macos-12	6m 24s
Build Bisq on macos-12 / Build Bisq on macos-12	3m 41s
Build Bisq on macOS-latest / Build Bisq on macOS-latest	2m 56s
Build Bisq on ubuntu-latest / Build Bisq on ubuntu-latest	3m 4s
Build Bisq on windows-latest / Build Bisq on windows-latest	4m 46s
Build network module on macos-12 / Build network module on macos-12	4m 34s
Build network module on macOS-latest / Build network module on macOS-latest	3m 13s
Build network module on ubuntu-latest / Build network module on ubuntu-latest	2m 59s
Build network module on windows-latest / Build network module on windows-latest	4m 4s
Build tor module on macos-12 / Build tor module on macos-12	5m 14s
Build tor module on macOS-latest / Build tor module on macOS-latest	3m 54s
Build tor module on ubuntu-latest / Build tor module on ubuntu-latest	2m 43s
Build tor module on windows-latest / Build tor module on windows-latest	4m 3s
Build wallet module on macos-12 / Build wallet module on macos-12	3m 53s
Build wallet module on macOS-latest / Build wallet module on macOS-latest	2m 35s
Build wallet module on ubuntu-latest / Build wallet module on ubuntu-latest	2m 58s
Build wallet module on windows-latest / Build wallet module on windows-latest	4m 24s
	1h 17m 26s

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