Bump RestSharp to fix security vulnerability

Author: XDex

Source/Adobe.Target.Delivery/Adobe.Target.Delivery.csproj

@@ -14,7 +14,7 @@
     <ItemGroup>
         <PackageReference Include="JsonSubTypes" Version="1.8.0" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-        <PackageReference Include="RestSharp" Version="106.11.7" />
+        <PackageReference Include="RestSharp" Version="106.12.0" />
         <PackageReference Include="Polly" Version="7.2.2" />
         <PackageReference Include="System.ComponentModel.Annotations" Version="4.7.0" />
     </ItemGroup>

codegeneration/template/netcore_project.mustache

@@ -17,7 +17,7 @@
         {{/useCompareNetObjects}}
         <PackageReference Include="JsonSubTypes" Version="1.8.0" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-        <PackageReference Include="RestSharp" Version="106.11.7" />
+        <PackageReference Include="RestSharp" Version="106.12.0" />
         <PackageReference Include="Polly" Version="7.2.2" />
         {{#validatable}}
         <PackageReference Include="System.ComponentModel.Annotations" Version="4.7.0" />