Update date logic of opengraph and schema internal templates#8256

Merged

bep merged 4 commits intogohugoio:masterfrom torrayne:master

Feb 18, 2021

+37-40

Commits on Feb 17, 2021

Fix: updated date logic in opengraph template
Daniel Atwood
committed
Updated date logic in schema template
Daniel Atwood
committed
Reformatted opengraph and schema
Daniel Atwood
committed

Commits on Feb 18, 2021

Wrapped PublishDate and Lastmod in with
Daniel Atwood
committed