Fix erdantic docs #612

Job	Run time
test-linter	11s
test-latest-version	1m 38s
test-development-versions-deps	1m 46s
test-no-erdantic-version	1m 6s
test-stable-versions (3.8, 20, 45)	1m 22s
test-stable-versions (3.9, 20, 45)	1m 14s
test-stable-versions (3.9, 20, 53)	1m 31s
test-stable-versions (3.10, 20, 62)	1m 12s
test-stable-versions (3.10, 20, 70)	1m 17s
test-stable-versions (3.11, 20, 70)	1m 13s
test-stable-versions (3.11, 21, 71)	1m 48s
test-stable-versions (3.11, 22, 71)	1m 26s
test-stable-versions (3.11, 23, 71)	1m 10s
test-stable-versions (3.11, 24, 72)	1m 7s
test-stable-versions (3.12, 25, 72)	1m 25s
	19m 26s

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