demo: bump @types/node from ^22 to ^25 #112

Job	Run time
check	55s
demo demo/vercel/react/use-client-transport	1m 17s
test-integration node 22	1m 11s
test-integration node 20	1m 4s
build	39s
test node 22	42s
test node 20	41s
test-integration node 24	1m 10s
demo demo/vercel/react/use-chat	1m 20s
test node 24	41s
	9m 40s

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