docs: update 12-factor tutorials #769

Job	Run time
lint / files	1m 8s
test / Fast tests (jammy, amd64)	3m 31s
test / Minimum dependencies (all tests)	8m 15s
test / Fast tests (noble, amd64)	6m 14s
test / Slow tests (noble, 3.10)	7m 5s
test / Fast tests (macos-13)	5m 3s
test / Slow tests (noble, 3.12)	6m 49s
test / Fast tests (macos-14-large)	3m 58s
test / Slow tests (macos-14-large, 3.10)	5m 39s
test / Fast tests (windows-2019)	4m 9s
test / Slow tests (macos-14-large, 3.12)	3m 29s
test / Fast tests (windows-2022)	3m 46s
	59m 6s

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