Bump version for v0.47.0 release #126

Job	Run time
Run test and build (ubuntu-latest)	37s
Run test and build (macos-15)	1m 27s
Run test and build (ubuntu-24.04-arm)	36s
Run test and build (macos-15-intel)	2m 31s
Run test and build (macos-14)	1m 17s
	6m 28s

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