chore(vscode): update to 1.53.2

These conflicts will be resolved in the following commits. We do it this way so
that PR review is possible.

lib/vscode/extensions/csharp/test/colorize-fixtures/test.cs

@@ -1,17 +0,0 @@
-using System;
-namespace SampleNamespace
-{
-    class TestClass
-    {
-        static void Main(string[] args)
-        {
-            int[] radii = { 15, 32, 108, 74, 9 };
-            const double pi = 3.14159;
-            foreach (int radius in radii) {
-                double circumference = pi * (2 * radius);
-                // Display the number of command line arguments:
-                System.Console.WriteLine("Circumference = {0:N2}", circumference);
-            }
-        }
-    }
-}