ENH: Write Unknown cartesian CRS when saving gdf without a CRS to GPKG#368

Draft

theroggy wants to merge 8 commits intogeopandas:mainfrom

theroggy:ENH-Write-Unknown-cartesian-CRS-when-saving-gdf-without-a-CRS-to-GPKG

Commits on Mar 4, 2024

Explicitly check if srs_id == -1 in output gpkg file
theroggy
committed

Commits on Mar 5, 2024

Merge remote-tracking branch 'upstream/main' into ENH-Write-Unknown-cartesian-CRS-when-saving-gdf-without-a-CRS-to-GPKG
theroggy
committed

Commits on Mar 28, 2024

Merge remote-tracking branch 'upstream/main' into ENH-Write-Unknown-cartesian-CRS-when-saving-gdf-without-a-CRS-to-GPKG
theroggy
committed

Commits on Apr 6, 2024

Merge remote-tracking branch 'upstream/main' into ENH-Write-Unknown-cartesian-CRS-when-saving-gdf-without-a-CRS-to-GPKG
theroggy
committed