move concrete impl of IRouteSegmentMatch to internal

src/Discord.Net.Core/Interactions/RouteSegmentMatch.cs

@@ -3,12 +3,12 @@ namespace Discord
     /// <summary>
     ///     Represents an object for storing CustomId wild card matches.
     /// </summary>
-    public record RouteSegmentMatch : IRouteSegmentMatch
+    internal record RouteSegmentMatch : IRouteSegmentMatch
     {
         /// <inheritdoc/>
         public string Value { get; }
 
-        internal RouteSegmentMatch(string value)
+        public RouteSegmentMatch(string value)
         {
             Value = value;
         }