build(deps): bump Discord.Net from 3.15.2 to 3.16.0 (#86)

Bumps [Discord.Net](https://github.com/discord-net/Discord.Net) from 3.15.2 to 3.16.0.
- [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@3.15.2...3.16.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

swappy-bot/swappy-bot.csproj

@@ -51,7 +51,7 @@
       <PackageReference Include="Autofac.Extensions.DependencyInjection" Version="9.0.0" />
       <PackageReference Include="Blake2Core" Version="1.0.0" />
       <PackageReference Include="Destructurama.JsonNet" Version="3.0.0" />
-      <PackageReference Include="Discord.Net" Version="3.15.2" />
+      <PackageReference Include="Discord.Net" Version="3.16.0" />
       <PackageReference Include="FluentResults" Version="3.16.0" />
       <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.6">
         <PrivateAssets>all</PrivateAssets>