fix(platform): mark malloc_trap operator new as noexcept

GCC with -Werror rejects operator new returning nullptr unless declared
noexcept/throw(). Since these trap functions always call abort(), the
noexcept specification is correct and silences the diagnostic.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: vtz

src/platform/static/malloc_trap.cpp

@@ -68,18 +68,16 @@ void* realloc(void* ptr, size_t size) {
 
 // NOLINTBEGIN(cert-dcl58-cpp,misc-new-delete-overloads)
 
-void* operator new(std::size_t size) {
+void* operator new(std::size_t size) noexcept {
     std::fprintf(stderr,
                  "MALLOC TRAP: operator new(%zu) detected\n", size);
     std::abort();
-    return nullptr;
 }
 
-void* operator new[](std::size_t size) {
+void* operator new[](std::size_t size) noexcept {
     std::fprintf(stderr,
                  "MALLOC TRAP: operator new[](%zu) detected\n", size);
     std::abort();
-    return nullptr;
 }
 
 void operator delete(void* ptr) noexcept {