build

Add SBT to docs/schema generation #832

Job	Run time
check	44s
docs	1m 7s
py38 (ubuntu)	3m 53s
py39 (ubuntu)	3m 43s
py39 (windows)	4m 46s
py310 (ubuntu)	3m 50s
py310 (windows)	5m 43s
py311 (ubuntu)	3m 38s
py311 (macos)	3m 41s
py311 (windows)	5m 26s
Upload coverage to Coveralls	3m 45s
Deploy docs to GitHub Pages	1m 9s
	41m 25s

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