docs: Link to `outputOptions()` from render functions #2767

Job	Run time
website / pkgdown	2m 47s
routine / routine	4m 18s
R-CMD-check / setup	1m 10s
R-CMD-check / macOS-latest (4.4.2)	4m 46s
R-CMD-check / windows-latest (4.4.2)	4m 47s
R-CMD-check / ubuntu-latest (devel)	6m 50s
R-CMD-check / ubuntu-latest (4.4.2)	4m 52s
R-CMD-check / ubuntu-latest (4.3.3)	5m 49s
R-CMD-check / ubuntu-latest (4.2.3)	6m 20s
R-CMD-check / ubuntu-latest (4.1.3)	6m 45s
R-CMD-check / ubuntu-latest (4.0.5)	6m 14s
	54m 38s

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