Use Node 14 on CI (#12512)
Use Node 14 on CI (#12512)

* Use Node 14 on CI

Node 14 is sufficiently stable now, use it on CI.

* also run build on node 14

Co-authored-by: Lauris BH <f3041c4c693c07149804ea655e75ee8bb856bd26@nix.lv>
Co-authored-by: techknowlogick <274271a2414b6bd0d2eb0401dd4ff6e85d7016a7@gitea.io>
Co-authored-by: zeripath <6a547fdd28db89120bdd70d4af1f9ba672ccd43a@cantab.net>
go-gitea/gitea,sapk-fork/gitea,cez81/gitea,vdbt/gitea,cez81/gitea,sapk-fork/gitea,go-gitea/gitea,cez81/gitea,sapk-fork/gitea,go-gitea/gitea,sapk-fork/gitea,vdbt/gitea