Bump Discord.Net from 3.18.0 to 3.19.0

---
updated-dependencies:
- dependency-name: Discord.Net
  dependency-version: 3.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Bot/Bot.csproj

@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Discord.Net" Version="3.18.0" />
+    <PackageReference Include="Discord.Net" Version="3.19.0" />
     <PackageReference Include="DSharpPlus" Version="4.5.1" />
     <PackageReference Include="Microsoft.AspNetCore" Version="2.3.9" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.3" />