Update the cgmanifest (#19763)

tools/cgmanifest.json

@@ -1,5 +1,4 @@
 {
-  "$schema": "https://json.schemastore.org/component-detection-manifest.json",
   "Registrations": [
     {
       "Component": {
@@ -166,7 +165,7 @@
         "Type": "nuget",
         "Nuget": {
           "Name": "Microsoft.PowerShell.MarkdownRender",
-          "Version": "7.2.0"
+          "Version": "7.2.1"
         }
       },
       "DevelopmentDependency": false
@@ -831,5 +830,6 @@
       },
       "DevelopmentDependency": false
     }
-  ]
+  ],
+  "$schema": "https://json.schemastore.org/component-detection-manifest.json"
 }