Bumps [EFCore.Sharding.PostgreSql](https://github.com/Coldairarrow/EFCore.Sharding) from 3.1.6.11 to 3.1.6.12.
- [Release notes](https://github.com/Coldairarrow/EFCore.Sharding/releases)
- [Commits](https://github.com/Coldairarrow/EFCore.Sharding/commits)
Signed-off-by: Ndependabot-preview[bot] <support@dependabot.com>