Increment version number to 6.2.0.9000 #288

Job	Run time
downstream (windows-latest, release)	2m 55s
downstream (windows-11-arm, release)	6m 22s
macOS-latest (release)	3m 22s
ubuntu-24.04-arm (release)	2m 59s
windows-latest (release)	7m 10s
windows-latest (4.2)	8m 40s
downstream (windows-latest, 4.2)	4m 23s
ubuntu-latest (release)	3m 29s
windows-11-arm (release)	9m 5s
	48m 25s

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