add ocaml 4.14-dev, opensuse-15.3, deprecate ubuntu 20.10

[avsm]

No description provided.

[avsm]

pushed to live

[avsm]

xref ocaml/opam-repository#18784

[avsm]

Seems to be working fine for the new builds

[talex5]

It says:

Step 4/9 : RUN opam switch create 4.14 --packages=ocaml-variants.4.14.0+trunk
 ---> Running in 40e9cda350cd
[ERROR] ocaml-variants = 4.14.0+trunk no matching version

https://base-images.ocamllabs.io/job/2021-06-03/130902-ocluster-build-cf6e1e

[avsm]

Darn it all!

[avsm]

@talex5 that was from before I refreshed the git checkout. Its working fine on the current run:

$ docker run -it ocurrent/opam-staging:debian-testing-ocaml-4.14-amd64 ocaml -version
Unable to find image 'ocurrent/opam-staging:debian-testing-ocaml-4.14-amd64' locally
debian-testing-ocaml-4.14-amd64: Pulling from ocurrent/opam-staging
420047682034: Pull complete 
c5ae9b730a89: Pull complete 
8bcf8eaf9749: Pull complete 
Digest: sha256:a487cf7e4ba00561f33959c62078373876edb175e4dfc701617d72791aa63278
Status: Downloaded newer image for ocurrent/opam-staging:debian-testing-ocaml-4.14-amd64
The OCaml toplevel, version 4.14.0+dev0-2021-06-03

[talex5]

Oh, OK!