python3-icu: Fix build with GCC-15

drop is_trivial check
Fixes
| In file included from bases.cpp:32:
| arg.h:856:37: error: static assertion failed
|   856 |   static_assert(std::is_trivial<T>::value);             \
|       |                 ~~~~~~~~~~~~~~~~~~~~^~~~~
| arg.h:859:1: note: in expansion of macro '_IS_POD'
|   859 | _IS_POD(AnyPythonObject);
|       | ^~~~~~~

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-icu/0001-Remove-assert-checking-for-trivial-type.patch

@@ -0,0 +1,26 @@
+From 3d58fb48bb1cef2177aab8e291167638993495f4 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 3 May 2025 21:27:34 -0700
+Subject: [PATCH] Remove assert checking for trivial type
+
+This fails with GCC-15, is_trivial is deprecated in C++26
+
+Upstream-Status: Pending
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ arg.h | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/arg.h b/arg.h
+index a493d11..6cb232d 100644
+--- a/arg.h
++++ b/arg.h
+@@ -853,7 +853,6 @@ public:
+ };
+ 
+ #define _IS_POD(T)                                      \
+-  static_assert(std::is_trivial<T>::value);             \
+   static_assert(std::is_standard_layout<T>::value)
+ 
+ _IS_POD(AnyPythonObject);