Refactor objstorage configuration, to eventually add winery in the read-only paths
The azure readonly change has been itching me for a while. I've tested it locally and it seems happy enough (using the urls I've already added to the secrets repository).
The goal is, of course, the winery change.
- helm-diff for azure refactoring: https://krkr.eu/tmp/2024-04-17-fOGasEh8gCQ/azure-refactor.html
- helm-diff for winery inclusion: https://krkr.eu/tmp/2024-04-17-fOGasEh8gCQ/add-winery.html