feat: Switch to postgres #515

Job	Run time
pr-labeler	4s
build (ubuntu-latest, 20) / install-build-upload-artifact	51s
build (windows-latest, 20) / install-build-upload-artifact	2m 22s
build (macos-latest, 20) / install-build-upload-artifact	1m 4s
misc (macos-latest, 20) / misc	1m 4s
misc (windows-latest, 20) / misc	2m 23s
misc (ubuntu-latest, 20) / misc	46s
lint (macos-latest, 20) / lint	1m 16s
lint (ubuntu-latest, 20) / lint	1m 4s
lint (windows-latest, 20) / lint	4m 7s
test-coverage (macos-latest, 20) / test-coverage	1m 14s
test-coverage (ubuntu-latest, 20) / test-coverage	1m 16s
test-coverage (windows-latest, 20) / test-coverage	3m 36s
test-e2e (macos-latest, 20, chrome) / e2e	2m 3s
test-e2e (ubuntu-latest, 20, chrome) / e2e	1m 25s
	24m 35s

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