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[mdsumner]

mem checks and Wconversion checks

fold these docker checks together (separate runs but with the better workflow)

https://github.com/hypertidy/vapour/issues/144

https://github.com/hypertidy/vapour/issues/162

• [ ] reinstate tests: https://github.com/hypertidy/vapour/blob/main/tests/testthat/test-crs-less-warp.R
• [ ] fix missing warning message when oSRS.IsEmpty() ?? in warper
• [ ] test this on windows/mac https://github.com/hypertidy/vapour/issues/137
• [ ] do the SQL dialect and check #94
• [ ] fix the bad netcdf with geoloc arrays