graphics/clang-uml: Add patch to fix build on 134arm64

clang-uml-0.6.1/thirdparty/indicators/indicators.hpp:1427:35: error: comparison of integers of different signs: 'wchar_t' and 'const int' [-Werror,-Wsign-compare]
 1427 |   if (ucs < table[0].first || ucs > table[max].last)
      |                               ~~~ ^ ~~~~~~~~~~~~~~~

Reported by:	pkg-fallout

graphics/clang-uml/files/patch-thirdparty_indicators_indicators.hpp

@@ -0,0 +1,22 @@
+--- thirdparty/indicators/indicators.hpp.orig	2025-03-05 16:32:09 UTC
++++ thirdparty/indicators/indicators.hpp
+@@ -1415,8 +1415,8 @@ struct interval {
+  */
+ 
+ struct interval {
+-  int first;
+-  int last;
++  wchar_t first;
++  wchar_t last;
+ };
+ 
+ /* auxiliary function for binary search in interval table */
+@@ -1666,7 +1666,7 @@ static inline std::wstring utf8_decode(const std::stri
+     setlocale(LC_ALL, curLocale.c_str());
+     return result;
+ }
+-#else 
++#else
+ static inline std::wstring utf8_decode(const std::string& s) {
+     auto r = setlocale(LC_ALL, "");
+     std::string curLocale;