Updates upgrade URLs (#275)

Author: waldekmastykarz

m365-developer-proxy/ProxyCommandHandler.cs

@@ -77,7 +77,7 @@ public async Task<int> InvokeAsync(InvocationContext context) {
         var newReleaseInfo = await UpdateNotification.CheckForNewVersion();
         if (newReleaseInfo != null) {
             _logger.LogError($"New version {newReleaseInfo.Version} of the Graph Developer Proxy is available.");
-            _logger.LogError($"See {newReleaseInfo.Url} for more information.");
+            _logger.LogError($"See https://aka.ms/m365/proxy/upgrade for more information.");
             _logger.LogError(string.Empty);
         }
 

m365-developer-proxy/UpdateNotification.cs

@@ -18,7 +18,7 @@ public ReleaseInfo() {
 }
 
 internal static class UpdateNotification {
-    private static readonly string releasesUrl = "https://api.github.com/repos/microsoft/m365-developer-proxy/releases";
+    private static readonly string releasesUrl = "https://aka.ms/m365/proxy/releases";
 
     /// <summary>
     /// Checks if a new version of the proxy is available.