Bump Discord.Net from 3.13.0 to 3.13.1 in /src/App

Bumps [Discord.Net](https://github.com/discord-net/Discord.Net) from 3.13.0 to 3.13.1.
- [Release notes](https://github.com/discord-net/Discord.Net/releases)
- [Changelog](https://github.com/discord-net/Discord.Net/blob/dev/CHANGELOG.md)
- [Commits](discord-net/Discord.Net@3.13.0...3.13.1)

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

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

src/App/App.csproj

@@ -32,7 +32,7 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.Monitor.OpenTelemetry.Exporter" Version="1.2.0" />
-    <PackageReference Include="Discord.Net" Version="3.13.0" />
+    <PackageReference Include="Discord.Net" Version="3.13.1" />
     <PackageReference Include="Microsoft.Azure.Cosmos" Version="3.38.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="$(CorePackageVersion)" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="$(CorePackageVersion)" />