PYTHON-3096 & PYTHON-2867 Implement GSSAPI ServiceHost support and expand canonicalization options #1108

Job	Run time
Make SDist	33s
Build wheels for manylinux_x86_64	2m 17s
Build wheels for manylinux_aarch64	10m 50s
Build wheels for manylinux_ppc64le	9m 53s
Build wheels for manylinux_s390x	10m 45s
Build wheels for manylinux_i686	2m 28s
Build wheels for win_amd6	4m 46s
Build wheels for win32	5m 24s
Build wheels for macos	2m 40s
Download Wheels	20s
	49m 56s

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