Narrow down Edge version in browser support docs (#11640)
Narrow down Edge version in browser support docs (#11640)

* Narrow down Edge version in browser support docs

I noticed that Edge 14 has a pretty buggy fetch implementation and
because it has already reached end of support I think it's better we
don't specifically state support for it, even if it may work to some
extend.

* mention both edge versions

Co-authored-by: techknowlogick <274271a2414b6bd0d2eb0401dd4ff6e85d7016a7@gitea.io>
sapk-fork/gitea,lafriks/gitea,lafriks/gitea,go-gitea/gitea,cez81/gitea,sapk-fork/gitea,vdbt/gitea,cez81/gitea,lafriks/gitea,cez81/gitea,go-gitea/gitea,vdbt/gitea,vCaesar/gitea,sapk-fork/gitea,go-gitea/gitea,vCaesar/gitea,sapk-fork/gitea