Use nuget.config file

Author: sebastienros

src/BenchmarksApps/TechEmpower/Minimal/Minimal.csproj

@@ -6,9 +6,6 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <LangVersion>latest</LangVersion>
     <UserSecretsId>38063504-d08c-495a-89c9-daaad2f60f31</UserSecretsId>
-    <RestoreAdditionalProjectSources>
-      https://pkgs.dev.azure.com/dnceng/public/_packaging/general-testing/nuget/v3/index.json
-    </RestoreAdditionalProjectSources>
     <Features>$(Features);utf8-string-encoding</Features>
   </PropertyGroup>
 

src/BenchmarksApps/TechEmpower/Minimal/nuget.config

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <!--To inherit the global NuGet package sources remove the <clear/> line below -->
+    <clear />
+    <add key="general-testing" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/general-testing/nuget/v3/index.json" />
+  </packageSources>
+</configuration>