The ocspServers support was added in 1.2-alpha.2 in cert-manager/cert-manager#3505, but we forgot to document the new feature.

This doc change is very similar to the documentation of crlDistributionPoint in #164. We probably should do something similar.

Related:

• Add a unit test around the new ocspServers and crlDistributionPoints cert-manager#3636

/kind documentation