Merged PR 12557: [internal/release/2.1] Update feeds

- updated sources.props

Author: dougbu

build/sources.props

@@ -10,7 +10,7 @@
     </RestoreSources>
     <RestoreSources Condition="'$(DotNetBuildOffline)' != 'true'">
       $(RestoreSources);
-      https://api.nuget.org/v3/index.json;
+      https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json;
     </RestoreSources>
   </PropertyGroup>
 </Project>

build/templates/default-build.yml

@@ -85,10 +85,10 @@ jobs:
     BuildScriptArgs: ${{ parameters.buildArgs }}
     BuildConfiguration: ${{ parameters.configuration }}
     VSTS_OVERWRITE_TEMP: false # Workaround for https://github.com/dotnet/core-eng/issues/2812
+    TeamName: AspNetCore
     ${{ if or(ne(parameters.codeSign, 'true'), ne(variables['System.TeamProject'], 'internal'), in(variables['Build.Reason'], 'PullRequest')) }}:
       _SignType:
     ${{ if and(eq(parameters.codeSign, 'true'), eq(variables['System.TeamProject'], 'internal'), notin(variables['Build.Reason'], 'PullRequest')) }}:
-      TeamName: AspNetCore
       _SignType: real
     ${{ insert }}: ${{ parameters.variables }}
   steps: