chore(deps): update dependency efcore.namingconventions to v8.0.3 (#34)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[EFCore.NamingConventions](https://togithub.com/efcore/EFCore.NamingConventions)
| `8.0.2` -> `8.0.3` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/EFCore.NamingConventions/8.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/EFCore.NamingConventions/8.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/nuget/EFCore.NamingConventions/8.0.2/8.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|

---

### Release Notes

<details>
<summary>efcore/EFCore.NamingConventions
(EFCore.NamingConventions)</summary>

###
[`v8.0.3`](https://togithub.com/efcore/EFCore.NamingConventions/releases/tag/v8.0.3):
Version 8.0.3

This releases [three additional
issues](https://togithub.com/efcore/EFCore.NamingConventions/milestone/15?closed=1)
in the 8.0 release.

</details>

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MumbleApi/MumbleApi.csproj

@@ -11,7 +11,7 @@
 
     <ItemGroup>
       <PackageReference Include="Community.Microsoft.Extensions.Caching.PostgreSql" Version="4.0.4" />
-      <PackageReference Include="EFCore.NamingConventions" Version="8.0.2" />
+      <PackageReference Include="EFCore.NamingConventions" Version="8.0.3" />
       <PackageReference Include="Google.Cloud.Storage.V1" Version="4.7.0" />
       <PackageReference Include="Lib.AspNetCore.ServerSentEvents" Version="9.0.0" />
       <PackageReference Include="LinqKit" Version="1.2.5" />