stage release for v0.8.4 (#236) #530

Job	Run time
changes	4s
windows (x64)	1m 50s
linux (x86_64)	53s
windows (x86)	1m 57s
linux (x86)	58s
macos (x86_64)	45s
linux (aarch64)	1m 22s
macos (aarch64)	1m 6s
linux (armv7)	1m 21s
sdist	9s
linux (s390x)	1m 13s
linux (ppc64le)	1m 13s
Build and push base postgres image	0s
Build and push base pyrust	0s
test	0s
	12m 51s

Provide feedback