Bump sphinx-rtd-theme from 2.0.0rc4 to 2.0.0 #511

Job	Run time
publish-on-pypi	2m 36s
build-installer-on-windows / build	20m 4s
build-on-macos / build	25m 5s
build-on-ubuntu / build	4m 48s
build-on-windows / build	20m 36s
publish-on-github	59s
	1h 14m 8s

Provide feedback