drop restriction on max MicroPython version

The MPY ABI version doesn't change on every release so to avoid needing
to release a new version of mpy-cross-multi for every MicroPython
release, we will just drop the restriction on the maximum version.

Author: dlech

mpy_cross_multi/__init__.py

@@ -17,9 +17,6 @@ def mp_version_to_mpy_abi_version(mp_ver: Version) -> str:
         TypeError: If the input is not a valid version string
         NotImplementedError: If the MicroPython version is not supported
     """
-    if mp_ver.match(">=1.24.0"):
-        raise NotImplementedError("MicroPython version must be <1.24.0")
-
     if mp_ver.match(">=1.23.0"):
         return "6.3"