Bump action-docs from 2.1.0 to 2.2.0 #230

Job	Run time
test-generate	3s
test (ubuntu-latest, nightly)	6m 52s
test (ubuntu-latest, lts)	5m 39s
test (ubuntu-latest, lts-22.7, 9.6.4)	5m 43s
test (ubuntu-latest, lts-12.26, 8.4.4)	5m 0s
test (macOS-latest, nightly)	7m 49s
test (macOS-latest, lts)	12m 18s
test (macOS-latest, lts-22.7, 9.6.4)	7m 24s
test (macOS-latest, lts-12.26, 8.4.4)	6m 2s
test (windows-latest, nightly)	8m 27s
test (windows-latest, lts)	7m 24s
test (windows-latest, lts-22.7, 9.6.4)	7m 57s
test (windows-latest, lts-12.26, 8.4.4)	7m 55s
test-stack-yamls (stack-nightly.yaml)	5m 56s
test-stack-yamls (stack.yaml)	5m 3s
	1h 39m 32s

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