Bump the dotnet group

Bumps the dotnet group in /docs/orleans/grains/snippets/timers with 3 updates: [Microsoft.Orleans.Core.Abstractions](https://github.com/dotnet/orleans), [Microsoft.Orleans.Reminders](https://github.com/dotnet/orleans) and [Microsoft.Orleans.Sdk](https://github.com/dotnet/orleans).


Updates `Microsoft.Orleans.Core.Abstractions` from 8.1.0 to 8.2.0
- [Release notes](https://github.com/dotnet/orleans/releases)
- [Commits](dotnet/orleans@v8.1.0...v8.2.0)

Updates `Microsoft.Orleans.Reminders` from 8.1.0 to 8.2.0
- [Release notes](https://github.com/dotnet/orleans/releases)
- [Commits](dotnet/orleans@v8.1.0...v8.2.0)

Updates `Microsoft.Orleans.Core.Abstractions` from 8.1.0 to 8.2.0
- [Release notes](https://github.com/dotnet/orleans/releases)
- [Commits](dotnet/orleans@v8.1.0...v8.2.0)

Updates `Microsoft.Orleans.Sdk` from 8.1.0 to 8.2.0
- [Release notes](https://github.com/dotnet/orleans/releases)
- [Commits](dotnet/orleans@v8.1.0...v8.2.0)

---
updated-dependencies:
- dependency-name: Microsoft.Orleans.Core.Abstractions
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: Microsoft.Orleans.Reminders
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: Microsoft.Orleans.Core.Abstractions
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: Microsoft.Orleans.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
...

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

docs/orleans/grains/snippets/timers/Timers.csproj

@@ -7,9 +7,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Orleans.Core.Abstractions" Version="8.1.0" />
+    <PackageReference Include="Microsoft.Orleans.Core.Abstractions" Version="8.2.0" />
     <PackageReference Include="Microsoft.Orleans.Sdk" Version="8.1.0" />
-    <PackageReference Include="Microsoft.Orleans.Reminders" Version="8.1.0" />
+    <PackageReference Include="Microsoft.Orleans.Reminders" Version="8.2.0" />
   </ItemGroup>
 
 </Project>