Merge pull request #181 from dmpe/dependabot/nuget/RestSharp-106.15.0

Bump RestSharp from 106.13.0 to 106.15.0

Author: dmpe

MeetupToRTM/packages.config

@@ -15,7 +15,7 @@
   <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
   <package id="NLog" version="4.7.13" targetFramework="net48" />
   <package id="NodaTime" version="3.0.9" targetFramework="net48" />
-  <package id="RestSharp" version="106.13.0" targetFramework="net48" />
+  <package id="RestSharp" version="106.15.0" targetFramework="net48" />
   <package id="ShowMeTheXAML.AvalonEdit" version="2.0.0" targetFramework="net472" />
   <package id="ShowMeTheXAML" version="2.0.0" targetFramework="net472" />
   <package id="StyleCop.MSBuild" version="6.2.0" targetFramework="net472" developmentDependency="true" />