Bump pugixml to 1.15 (#51)

Author: cbrnr

pugixml/pugiconfig.hpp

@@ -1,8 +1,8 @@
 /**
- * pugixml parser - version 1.8
+ * pugixml parser - version 1.15
  * --------------------------------------------------------
- * Copyright (C) 2006-2016, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
- * Report bugs and download new versions at http://pugixml.org/
+ * Copyright (C) 2006-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+ * Report bugs and download new versions at https://pugixml.org/
  *
  * This library is distributed under the MIT License. See notice at the end
  * of this file.
@@ -40,16 +40,22 @@
 // #define PUGIXML_MEMORY_OUTPUT_STACK 10240
 // #define PUGIXML_MEMORY_XPATH_PAGE_SIZE 4096
 
+// Tune this constant to adjust max nesting for XPath queries
+// #define PUGIXML_XPATH_DEPTH_LIMIT 1024
+
 // Uncomment this to switch to header-only version
 // #define PUGIXML_HEADER_ONLY
 
-// Uncomment this to enable long long support
+// Uncomment this to enable long long support (usually enabled automatically)
 // #define PUGIXML_HAS_LONG_LONG
 
+// Uncomment this to enable support for std::string_view (usually enabled automatically)
+// #define PUGIXML_HAS_STRING_VIEW
+
 #endif
 
 /**
- * Copyright (c) 2006-2016 Arseny Kapoulkine
+ * Copyright (c) 2006-2025 Arseny Kapoulkine
  *
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation