PYTHON-4845 Ensure ALLOWED_HOSTS is optional for Workload Usage #1159

Job	Run time
Make SDist	32s
Build wheels for manylinux_x86_64	2m 18s
Build wheels for manylinux_aarch64	10m 47s
Build wheels for manylinux_ppc64le	9m 59s
Build wheels for manylinux_s390x	10m 46s
Build wheels for manylinux_i686	2m 27s
Build wheels for win_amd6	7m 42s
Build wheels for win32	8m 26s
Build wheels for macos	2m 44s
Download Wheels	0s
	55m 41s

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