CI/CD

Revert "Allow multiple folders in `class_package` node registration k… #143

Job	Run time
tests (ubuntu-latest, 3.8, complete)	2m 21s
tests (ubuntu-latest, 3.8, only_plotting)	1m 30s
tests (ubuntu-latest, 3.8, only_postgres)	1m 23s
tests (ubuntu-latest, 3.8, only_r)	1m 59s
tests (ubuntu-latest, 3.8, basic)	1m 14s
tests (macos-latest, 3.8, complete)	4m 19s
tests (macos-latest, 3.8, only_plotting)	3m 0s
tests (macos-latest, 3.8, only_postgres)	3m 19s
tests (macos-latest, 3.8, only_r)	3m 52s
tests (macos-latest, 3.8, basic)	4m 41s
build-and-publish	0s
	27m 38s

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