[Instrumentation.AspNet] Replace StringComparison.InvariantCulture with Ordinal (#2879)

Author: meziantou

src/OpenTelemetry.Instrumentation.AspNet/Implementation/HttpInListener.cs

@@ -86,7 +86,7 @@ private void OnStartActivity(Activity activity, HttpContext context)
             var query = url.Query;
             if (!string.IsNullOrEmpty(query))
             {
-                var queryString = query.StartsWith("?", StringComparison.InvariantCulture) ? query.Substring(1) : query;
+                var queryString = query.StartsWith("?", StringComparison.Ordinal) ? query.Substring(1) : query;
                 activity.SetTag(SemanticConventions.AttributeUrlQuery, this.options.DisableUrlQueryRedaction ? queryString : RedactionHelper.GetRedactedQueryString(queryString));
             }