Release 6.0

[droyad]

Breaking Changes

https://dbup.readthedocs.io/en/latest/breaking-changes/

[nvierge-addactis]

Hello,
Do you know when you'll be releasing version 6.0.0 ?
The current stable version (5.0.40) uses an older version of the Npgsql package:

This is becoming a problem for certain analysis tools that issue critical alerts.
What's left to do but update a few dependencies (ex. dbup-cote to dbup-core and Npgsql to 8.0.5)?

[ABAG603]

Hi @droyad . When do you plan to merge this PR and release v6? Apparently, current dbup-postgresql is using some very old transitive dependencies and with .NET 9 switching to all we now get warnings below during the build:
error NU1903: Warning As Error: Package 'System.Private.Uri' 4.3.0 has a known high severity vulnerability, GHSA-5f2m-466j-3848
error NU1902: Warning As Error: Package 'System.Private.Uri' 4.3.0 has a known moderate severity vulnerability, GHSA-x5qj-9vmx-7g6g
error NU1903: Warning As Error: Package 'System.Private.Uri' 4.3.0 has a known high severity vulnerability, GHSA-xhfc-gr8f-ffwc