Point to the new domains / URLs from Microsoft

See: dotnet/core#9671

They are changing CDNs.
These changes have already been added in
the official install scripts.

https://github.com/dotnet/install-scripts/pull/555/files

tracer/build/_build/bootstrap/dotnet-install.ps1

@@ -1105,8 +1105,8 @@ function Get-AkaMsLink-And-Version([string] $NormalizedChannel, [string] $Normal
 function Get-Feeds-To-Use()
 {
     $feeds = @(
-    "https://dotnetcli.azureedge.net/dotnet",
-    "https://dotnetbuilds.azureedge.net/public"
+    "https://builds.dotnet.microsoft.com/dotnet",
+    "https://ci.dot.net/public"
     )
 
     if (-not [string]::IsNullOrEmpty($AzureFeed)) {
@@ -1115,8 +1115,8 @@ function Get-Feeds-To-Use()
 
     if ($NoCdn) {
         $feeds = @(
-        "https://dotnetcli.blob.core.windows.net/dotnet",
-        "https://dotnetbuilds.blob.core.windows.net/public"
+        "https://builds.dotnet.microsoft.com/dotnet",
+        "https://ci.dot.net/public"
         )
 
         if (-not [string]::IsNullOrEmpty($UncachedFeed)) {

tracer/build/_build/bootstrap/dotnet-install.sh

@@ -1298,8 +1298,8 @@ get_download_link_from_aka_ms() {
 get_feeds_to_use()
 {
     feeds=(
-    "https://dotnetcli.azureedge.net/dotnet"
-    "https://dotnetbuilds.azureedge.net/public"
+    "https://builds.dotnet.microsoft.com/dotnet"
+    "https://ci.dot.net/public"
     )
 
     if [[ -n "$azure_feed" ]]; then
@@ -1308,8 +1308,8 @@ get_feeds_to_use()
 
     if [[ "$no_cdn" == "true" ]]; then
         feeds=(
-        "https://dotnetcli.blob.core.windows.net/dotnet"
-        "https://dotnetbuilds.blob.core.windows.net/public"
+        "https://builds.dotnet.microsoft.com/dotnet"
+        "https://ci.dot.net/public"
         )
 
         if [[ -n "$uncached_feed" ]]; then