Bump version to 4.15.2-beta001 #847

Job	Run time
fable-python-build (ubuntu-latest, 3.10)	2m 46s
dotnet-build (Debug, ubuntu-latest)	3m 9s
build-devcontainer	9m 2s
fable-python-build (ubuntu-latest, 3.11)	2m 37s
dotnet-build (Debug, windows-latest)	5m 59s
fable-python-build (ubuntu-latest, 3.12)	2m 47s
dotnet-build (Debug, macOS-latest)	3m 20s
fable-python-build (windows-latest, 3.10)	4m 54s
dotnet-build (Release, ubuntu-latest)	3m 4s
fable-npm-build (ubuntu-latest, 18)	1m 58s
fable-python-build (windows-latest, 3.11)	4m 41s
fable-npm-build (ubuntu-latest, 20)	1m 55s
dotnet-build (Release, windows-latest)	5m 23s
fable-python-build (windows-latest, 3.12)	4m 43s
fable-npm-build (ubuntu-latest, latest)	2m 6s
dotnet-build (Release, macOS-latest)	2m 48s
fable-python-build (macOS-latest, 3.10)	2m 32s
fable-npm-build (windows-latest, 18)	7m 4s
fable-python-build (macOS-latest, 3.11)	1m 52s
fable-npm-build (windows-latest, 20)	5m 22s
fable-python-build (macOS-latest, 3.12)	1m 52s
fable-npm-build (windows-latest, latest)	5m 51s
fable-npm-build (macOS-latest, 18)	1m 47s
fable-npm-build (macOS-latest, 20)	1m 55s
fable-npm-build (macOS-latest, latest)	2m 11s
	1h 31m 38s

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