Bump Npgsql from 7.0.6 to 8.0.0

Bumps [Npgsql](https://github.com/npgsql/npgsql) from 7.0.6 to 8.0.0.
- [Release notes](https://github.com/npgsql/npgsql/releases)
- [Commits](npgsql/npgsql@v7.0.6...v8.0.0)

---
updated-dependencies:
- dependency-name: Npgsql
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

src/SJP.Schematic.PostgreSql/SJP.Schematic.PostgreSql.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Npgsql" Version="7.0.6" />
+    <PackageReference Include="Npgsql" Version="8.0.0" />
   </ItemGroup>
 
   <ItemGroup>