Update to NpgSql to 8.0.3 due to vulnerability

[skarum]

To fix Npgsql vulnerable to SQL Injection via Protocol Message Size Overflow

https://github.com/advisories/GHSA-x9vc-6hfv-hg8c

Feel free to ignore this if you don't take outside PRs

[MaceWindu]

Thanks. I plan to update all deps today, so I will close it