PYTHON-4845 Ensure ALLOWED_HOSTS is optional for Workload Usage #1161

Job	Run time
Make SDist	37s
Build wheels for manylinux_x86_64	2m 30s
Build wheels for manylinux_aarch64	10m 38s
Build wheels for manylinux_ppc64le	10m 5s
Build wheels for manylinux_s390x	10m 39s
Build wheels for manylinux_i686	2m 49s
Build wheels for win_amd6	5m 38s
Build wheels for win32	4m 9s
Build wheels for macos	2m 46s
Download Wheels	7s
	49m 58s

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