Update .NET CI CDN

See dotnet/arcade#15356.

Author: martincostello

eng/common/tools.ps1

@@ -320,7 +320,7 @@ function InstallDotNet([string] $dotnetRoot,
   $variations += @($installParameters)
 
   $dotnetBuilds = $installParameters.Clone()
-  $dotnetbuilds.AzureFeed = "https://dotnetbuilds.azureedge.net/public"
+  $dotnetbuilds.AzureFeed = "https://ci.dot.net/public"
   $variations += @($dotnetBuilds)
 
   if ($runtimeSourceFeed) {

eng/common/tools.sh

@@ -232,7 +232,7 @@ function InstallDotNet {
   local public_location=("${installParameters[@]}")
   variations+=(public_location)
 
-  local dotnetbuilds=("${installParameters[@]}" --azure-feed "https://dotnetbuilds.azureedge.net/public")
+  local dotnetbuilds=("${installParameters[@]}" --azure-feed "https://ci.dot.net/public")
   variations+=(dotnetbuilds)
 
   if [[ -n "${6:-}" ]]; then