Bug Fixes found after releasing v0.7.0

[bitner]

Fixed

• Fix permission issue when running incremental migrations.
• Make sure that pypgstac migrate runs in a single transaction
• Don't try to use concurrently when building indexes by default (this was tripping things up when using with pg_cron)
• Don't short circuit search for requests with ids (Fixes Don't short-circut when searching with ids #159)
• Fix for issue with pagination when sorting by columns with nulls (Fixes Fix ascending sort with missing (or duplicate) values #161 Fixes Malformed query when using multiple sort fields and token #152)
• Fixes issue where duplicate datetime,end_datetime index was being built.
• Fix bug in pypgstac loader when using delsert option

Added

• Add trigger to detect duplicate configurations for name/collection combination in queryables
• Add trigger to ensure collections added to queryables exist
• Add tests for queryables triggers
• Add more tests for different pagination scenarios