Bump Npgsql from 7.0.2 to 7.0.4

Bumps [Npgsql](https://github.com/npgsql/npgsql) from 7.0.2 to 7.0.4.
- [Release notes](https://github.com/npgsql/npgsql/releases)
- [Commits](https://github.com/npgsql/npgsql/compare/v7.0.2...v7.0.4)

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

Signed-off-by: dependabot[bot] <support@github.com>

OhmGraphite/OhmGraphite.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
@@ -37,7 +37,7 @@
   <ItemGroup>
     <PackageReference Include="LibreHardwareMonitorLib" Version="0.9.2-pre209" />
     <PackageReference Include="InfluxDB.Client" Version="4.11.0" />
-    <PackageReference Include="Npgsql" Version="7.0.2" />
+    <PackageReference Include="Npgsql" Version="7.0.4" />
     <PackageReference Include="prometheus-net" Version="6.0.0" />
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="7.0.0" />
     <PackageReference Include="TopShelf" Version="4.3.0" />