fix: Close streaming connections deterministically where the platform allows #149

Job	Run time
floor (lowest-direct deps) (ubuntu-latest)	12s
floor (lowest-direct deps) (windows-latest)	1m 29s
windows (3.14)	1m 46s
linux (3.14)	45s
windows (3.12)	1m 50s
windows (3.10)	1m 37s
linux (3.10)	45s
windows (3.13)	1m 28s
linux (3.12)	44s
linux (3.11)	43s
windows (3.11)	1m 36s
linux (3.13)	45s
	13m 40s

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