[QGIS-Developer] Bump to proj 6/gdal 3

[Bas Couwenberg]

On 2019-07-23 09:35, Paolo Cavallini wrote:
> For reference, in Debian Sid proj6 and gdal3 are still in
> experimental.

And GDAL 3 is staying there at least until fiona supports it.

Kind Regards,

Bas