Use latest SDK for reproducible builds (#2557)

Build/build.ps1

@@ -14,7 +14,7 @@
   $workingName = if ($workingName) {$workingName} else {"Working"}
   $assemblyVersion = if ($assemblyVersion) {$assemblyVersion} else {$majorVersion + '.0.0'}
   $netCliChannel = "Current"
-  $netCliVersion = "5.0.200"
+  $netCliVersion = "5.0.300"
   $nugetUrl = "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe"
   $ensureNetCliSdk = $true
 
@@ -326,4 +326,4 @@ function Execute-Command($command) {
             $currentRetry = $currentRetry + 1
         }
     } while (!$success)
-}
+}

Src/global.json

@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "5.0.200"
+    "version": "5.0.300"
   }
-}
+}