Bump CsvHelper from 31.0.3 to 31.0.4

Bumps [CsvHelper](https://github.com/JoshClose/CsvHelper) from 31.0.3 to 31.0.4.
- [Commits](JoshClose/CsvHelper@31.0.3...31.0.4)

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

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

BadMedicine.Core/BadMedicine.Core.csproj

@@ -44,7 +44,7 @@
     <EmbeddedResource Include="Datasets\Maternity.csv" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="CsvHelper" Version="31.0.3" />
+    <PackageReference Include="CsvHelper" Version="31.0.4" />
     <PackageReference Include="Equ" Version="2.3.0" />
     <PackageReference Include="MathNet.Numerics" Version="5.0.0" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />