Add runtime capability to allow updating parameters (#56599)

Author: davidwengier

src/coreclr/System.Private.CoreLib/src/System/Reflection/Metadata/MetadataUpdater.cs

@@ -53,7 +53,7 @@ public static void ApplyUpdate(Assembly assembly, ReadOnlySpan<byte> metadataDel
         /// <summary>
         /// Returns the metadata update capabilities.
         /// </summary>
-        internal static string GetCapabilities() => "Baseline AddMethodToExistingType AddStaticFieldToExistingType AddInstanceFieldToExistingType NewTypeDefinition ChangeCustomAttributes";
+        internal static string GetCapabilities() => "Baseline AddMethodToExistingType AddStaticFieldToExistingType AddInstanceFieldToExistingType NewTypeDefinition ChangeCustomAttributes UpdateParameters";
 
         /// <summary>
         /// Returns true if the apply assembly update is enabled and available.