Update to Chromium version 129.0.6668.0

- Mac: Minimum system version is now 11.0.
- Win: Windows SDK version is now 10.0.22621.2428.

patch/patches/win_sandbox_stack_copier.patch

@@ -0,0 +1,28 @@
+diff --git base/profiler/stack_copier.cc base/profiler/stack_copier.cc
+index 6cc3a6acef3a5..bef6e2426d3f0 100644
+--- base/profiler/stack_copier.cc
++++ base/profiler/stack_copier.cc
+@@ -14,7 +14,9 @@
+ #include "base/bits.h"
+ #include "base/compiler_specific.h"
+ #include "base/profiler/stack_buffer.h"
++#if PA_BUILDFLAG(USE_PARTITION_ALLOC)
+ #include "partition_alloc/tagging.h"
++#endif
+ 
+ namespace base {
+ 
+@@ -76,11 +78,13 @@ const uint8_t* StackCopier::CopyStackContentsAndRewritePointers(
+     const uintptr_t* original_stack_top,
+     size_t platform_stack_alignment,
+     uintptr_t* stack_buffer_bottom) {
++#if PA_BUILDFLAG(USE_PARTITION_ALLOC)
+   // Disable MTE during this function because this function indiscriminately
+   // reads stack frames, some of which belong to system libraries, not Chrome
+   // itself. With stack tagging, some bytes on the stack have MTE tags different
+   // from the stack pointer tag.
+   partition_alloc::SuspendTagCheckingScope suspend_tag_checking_scope;
++#endif
+ 
+   const uint8_t* byte_src = original_stack_bottom;
+   // The first address in the stack with pointer alignment. Pointer-aligned