docs: Ignore the generated files when building docs #46

Job	Run time
test-code / test-fast (ubuntu)	1m 5s
test-code / test-general (ubuntu, 3.8)	2m 30s
test-code / test-fast (windows)	3m 32s
test-code / test-general (ubuntu, 3.9)	2m 28s
test-code / test-fast (macos)	2m 18s
test-code / test-general (ubuntu, 3.10)	2m 20s
test-code / test-general (ubuntu, 3.11)	2m 22s
test-code / test-general (ubuntu, 3.12)	2m 37s
test-code / test-general (windows, 3.8)	5m 29s
test-code / test-general (windows, 3.9)	5m 45s
test-code / test-general (windows, 3.10)	5m 54s
test-code / test-general (windows, 3.11)	4m 35s
test-code / test-general (windows, 3.12)	6m 59s
test-code / test-general (macos, 3.8)	3m 42s
test-code / test-general (macos, 3.9)	2m 48s
test-code / test-general (macos, 3.10)	4m 16s
test-code / test-general (macos, 3.11)	3m 0s
test-code / test-general (macos, 3.12)	3m 30s
test-code / Test Results	7s
test-code / check-tests-passed	3s
	1h 5m 20s

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