fix code for Clang 20

[oltolm]

Fixes this error with Clang 20

[build] C:\msys64\clang64\bin\clang++.exe -DFMT_SHARED -IC:/src/mcl/tests/. -IC:/src/mcl/src/../include -g -std=c++20 -fansi-escape-codes -fcolor-diagnostics -MD -MT tests/CMakeFiles/mcl-tests.dir/mp/typelist_tests.cpp.obj -MF tests\CMakeFiles\mcl-tests.dir\mp\typelist_tests.cpp.obj.d -o tests/CMakeFiles/mcl-tests.dir/mp/typelist_tests.cpp.obj -c C:/src/mcl/tests/mp/typelist_tests.cpp
[build] In file included from C:/src/mcl/tests/mp/typelist_tests.cpp:19:
[build] C:/src/mcl/src/../include/mcl/mp/typelist/lift_sequence.hpp:27:1: error: implicit instantiation of undefined template 'mcl::mp::detail::lift_sequence_impl<std::integer_sequence<unsigned long long, 0, 1, 2>>'
[build]    27 | using lift_sequence = typename detail::lift_sequence_impl<VL>::type;
[build]       | ^
[build] C:/src/mcl/tests/mp/typelist_tests.cpp:87:9: note: in instantiation of template type alias 'lift_sequence' requested here
[build]    87 |         lift_sequence<std::make_index_sequence<3>>,
[build]       |         ^
[build] C:/src/mcl/src/../include/mcl/mp/typelist/lift_sequence.hpp:16:8: note: template is declared here
[build]    16 | struct lift_sequence_impl;
[build]       |        ^
[build] 1 error generated.

[FireBurn]

Thanks for this, I've cherry picked it to my dynarmic tree, I've kept the authorship but let me know if you want anything else changed