feat: Switch to postgres #514

Job	Run time
pr-labeler	8s
build (macos-latest, 20) / install-build-upload-artifact	1m 5s
build (ubuntu-latest, 20) / install-build-upload-artifact	46s
build (windows-latest, 20) / install-build-upload-artifact	2m 10s
lint (macos-latest, 20) / lint	1m 3s
lint (windows-latest, 20) / lint	2m 26s
lint (ubuntu-latest, 20) / lint	1m 3s
misc (macos-latest, 20) / misc	1m 2s
test-coverage (ubuntu-latest, 20) / test-coverage	1m 19s
test-coverage (macos-latest, 20) / test-coverage	1m 20s
test-coverage (windows-latest, 20) / test-coverage	3m 33s
misc (ubuntu-latest, 20) / misc	43s
misc (windows-latest, 20) / misc	2m 40s
test-e2e (macos-latest, 20, chrome) / e2e	2m 50s
test-e2e (ubuntu-latest, 20, chrome) / e2e	1m 10s
	23m 18s

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