chore: bump main to 9.0.0-dev.0 (#8320) #124

Job	Run time
lint	2m 9s
setup	6s
test-android	3m 18s
test-ios (/Applications/Xcode_26.0.app)	13m 36s
test-cli	2m 13s
test-core	1m 29s
	22m 51s

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