Release timeline: establish timeline decomissioning of CDS and WebAPI

[khufkens]

Currently the CDS-beta is in public beta, with a tentative deadline of 3th of Sept. 2024 for a full switch, this will remove:

• CDS (original)
• CDS Toolbox (check replacement options?)
• WebAPI (should already be down but is still alive in some ways it seems)

Probably do one release to CRAN for CDS-beta, keeping all cross supported versions alive until full migration post 3th (if this remains "the date"), at most do an additional release renaming the service to "CDS" internall.

Tentatively somewhere in Oct. remove all old API support completely.

[khufkens]

Ok, new code base has changed. It seems that the request needs to be wrapped by an additional JSON statement.

https://github.com/ecmwf-projects/cads-api-client/blob/6619318da5f6f80fa2034be335679b1bb5cf8345/cads_api_client/processing.py#L415

Also, the headers should not contain anything except the 'PRIVATE-TOKEN' field - anything else seems to trigger a 422 error even with a valid JSON request (so no reference to content types are allowed).

The rest flows from there, providing job ids etc which need to substituted in the API endpoints (this is per usual I guess).

[khufkens]

Adding new figures:

[khufkens]

[khufkens]