tests

fix(docs; gha): updated .readthedocs.yaml; macos-latest to macos-12 #3086

Job	Run time
upstream-py311 (nocmk)	1m 24s
upstream-py311 (sourcebuildcheck)	3m 18s
tests (ubuntu-latest, x64, 3.8, local-slow)	28s
upstream-py311 (test-upstream-requirements-py311)	1m 15s
tests (ubuntu-latest, x64, 3.9, local-slow)	28s
tests (ubuntu-latest, x64, 3.10, local-slow)	28s
tests (ubuntu-latest, x64, 3.11, local-slow)	28s
tests (ubuntu-latest, x64, 3.12, local-slow)	27s
tests (ubuntu-latest, x64, 3.x, local-slow)	27s
tests (windows-latest, x64, 3.8, local-slow)	14s
tests (windows-latest, x64, 3.9, local-slow)	14s
tests (windows-latest, x64, 3.10, local-slow)	16s
tests (windows-latest, x64, 3.11, local-slow)	16s
tests (windows-latest, x64, 3.12, local-slow)	15s
tests (windows-latest, x64, 3.x, local-slow)	12s
tests (windows-latest, x86, 3.8, local-slow)	10s
tests (windows-latest, x86, 3.9, local-slow)	13s
tests (windows-latest, x86, 3.10, local-slow)	11s
tests (windows-latest, x86, 3.11, local-slow)	11s
tests (windows-latest, x86, 3.12, local-slow)	12s
tests (windows-latest, x86, 3.x, local-slow)	12s
tests (macos-latest, x64, 3.8, local-slow)	12s
tests (macos-latest, x64, 3.9, local-slow)	10s
tests (macos-latest, x64, 3.10, local-slow)	12s
tests (macos-latest, x64, 3.11, local-slow)	16s
tests (macos-latest, x64, 3.12, local-slow)	16s
tests (macos-latest, x64, 3.x, local-slow)	17s
	12m 42s

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