release-829_2024-10-10T12 Add single sign-on and Visualisations, update to PostgreSQL 15, enable PURL on deleted resources

What's Changed

• QOLSVC-5478 add single sign-on plugin to DEV environments by @ThrawnCA in #596
• QOLSVC-7171 update DEV to PostgreSQL 15 by @ThrawnCA in #598
• [QOLDEV-7731] update Open Data theme to include visualisation menu link by @ThrawnCA in #597
• [QOLDEV-933] update CKAN fork to hide deleted resources as well as datasets by @ThrawnCA in #599
• QOLSVC-5478 update SSO plugin by @ThrawnCA in #600
• [QOLSVC-7171] disable database SSL requirement by @ThrawnCA in #601
• [QOLSVC-7171] update all environments to PostgreSQL 15 by @ThrawnCA in #602
• [QOLSVC-5478] enable SSO plugin for all environments by @ThrawnCA in #603
• Develop to master by @ThrawnCA in #604

Full Changelog: release-823_2024-10-01T15...release-829_2024-10-10T12