PYTHON-5395 - Add convert_decimal to CodecOptions #2759

Job	Run time
Make SDist	32s
Build wheels for manylinux_aarch64	11m 22s
Build wheels for manylinux_i686	2m 30s
Build wheels for win_amd6	4m 31s
Build wheels for macos	3m 20s
Build wheels for manylinux_ppc64le	10m 52s
Build wheels for manylinux_x86_64	2m 24s
Build wheels for win32	4m 24s
Build wheels for manylinux_s390x	11m 24s
Download Wheels	11s
	51m 30s

Provide feedback