Bump Npgsql.EntityFrameworkCore.PostgreSQL from 8.0.2 to 8.0.4 in /src

Bumps [Npgsql.EntityFrameworkCore.PostgreSQL](https://github.com/npgsql/efcore.pg) from 8.0.2 to 8.0.4.
- [Release notes](https://github.com/npgsql/efcore.pg/releases)
- [Commits](npgsql/efcore.pg@v8.0.2...v8.0.4)

---
updated-dependencies:
- dependency-name: Npgsql.EntityFrameworkCore.PostgreSQL
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/IoTHub.Portal.Infrastructure/IoTHub.Portal.Infrastructure.csproj

@@ -136,7 +136,7 @@
     <PackageReference Include="Microsoft.Extensions.Http" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="8.0.2" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.2" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.4" />
     <PackageReference Include="Polly.Extensions.Http" Version="3.0.0" />
     <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="8.0.0" />
     <PackageReference Include="prometheus-net" Version="8.2.1" />