PYTHON-4815 Migrate test_discovery_and_monitoring.py to async #969

Job	Run time
Make SDist	34s
Build wheels for manylinux_x86_64	2m 20s
Build wheels for manylinux_aarch64	10m 33s
Build wheels for manylinux_ppc64le	10m 4s
Build wheels for manylinux_s390x	10m 44s
Build wheels for manylinux_i686	2m 26s
Build wheels for win_amd6	5m 17s
Build wheels for win32	4m 23s
Build wheels for macos	2m 41s
Download Wheels	6s
	49m 8s

Provide feedback