Everywhere: Use east const in more places

These changes are compatible with clang-format 16 and will be mandatory
when we eventually bump clang-format version. So, since there are no
real downsides, let's commit them now.

AK/kmalloc.cpp

@@ -63,7 +63,7 @@ void operator delete[](void* ptr, size_t) noexcept
 // This is usually provided by libstdc++ in most cases, and the kernel has its own definition in
 // Kernel/Heap/kmalloc.cpp. If neither of those apply, the following should suffice to not fail during linking.
 namespace AK_REPLACED_STD_NAMESPACE {
-const nothrow_t nothrow;
+nothrow_t const nothrow;
 }
 
 #endif