Bump Cronos from 0.8.3 to 0.8.4 in /src

Bumps [Cronos](https://github.com/HangfireIO/Cronos) from 0.8.3 to 0.8.4.
- [Release notes](https://github.com/HangfireIO/Cronos/releases)
- [Commits](HangfireIO/Cronos@v0.8.3...v0.8.4)

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

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

src/Miha.Discord/Miha.Discord.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Cronos" Version="0.8.3" />
+    <PackageReference Include="Cronos" Version="0.8.4" />
     <PackageReference Include="Discord.Addons.Hosting" Version="5.2.0" />
     <PackageReference Include="Discord.Net" Version="3.13.1" />
     <PackageReference Include="Humanizer" Version="2.14.1" />