Bump RestSharp from 106.13.0 to 106.15.0

Bumps [RestSharp](https://github.com/restsharp/RestSharp) from 106.13.0 to 106.15.0.
- [Release notes](https://github.com/restsharp/RestSharp/releases)
- [Changelog](https://github.com/restsharp/RestSharp/blob/dev/releasenotes.md)
- [Commits](https://github.com/restsharp/RestSharp/compare/106.13.0...106.15.0)

---
updated-dependencies:
- dependency-name: RestSharp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...
Signed-off-by: Ndependabot[bot] <support@github.com>

IoTSharp.TaskAction/IoTSharp.TaskAction.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="RestSharp" Version="106.13.0" />
+    <PackageReference Include="RestSharp" Version="106.15.0" />
   </ItemGroup>
 
   <ItemGroup>

IoTSharp/IoTSharp.csproj

@@ -98,7 +98,7 @@
 		<PackageReference Include="PinusDB.HealthChecks" Version="1.0.10" />
 		<PackageReference Include="ProxyKit" Version="2.3.4" />
 		<PackageReference Include="Quartz.Serialization.Json" Version="3.3.3" />
-		<PackageReference Include="RestSharp" Version="106.13.0" />
+		<PackageReference Include="RestSharp" Version="106.15.0" />
 		<PackageReference Include="Rin" Version="2.6.0" />
 		<PackageReference Include="Rin.Mvc" Version="2.6.0" />
 		<PackageReference Include="RulesEngine" Version="3.4.0" />