doc/go1.14: add a couple minor crypto release notes
doc/go1.14: add a couple minor crypto release notes

These were left out of CL 216759 because they are trivial, but I was
advised to be thorough.

Updates #36878

Change-Id: Id4fd3a84866a82265e3f89abfdad6e3d231b507c
Reviewed-on: https://go-review.googlesource.com/c/go/+/218918
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>

cloudflare/go,CAFxX/go,golang/go,CAFxX/go,CAFxX/go,cloudflare/go,akutz/go,akutz/go,nawawi/go,CAFxX/go,akutz/go,cloudflare/go,akutz/go,nawawi/go,akutz/go,nawawi/go,golang/go,akutz/go,nawawi/go,cloudflare/go,CAFxX/go,golang/go,nawawi/go,golang/go,cloudflare/go,golang/go,CAFxX/go,CAFxX/go,golang/go,cloudflare/go,golang/go,nawawi/go,CAFxX/go,cloudflare/go,akutz/go,cloudflare/go,golang/go,nawawi/go,nawawi/go,akutz/go