Please unbreak the library for cryptography 3.4.x

[barracuda156]

This 488f1ab recent commit has broken the library for systems without Rust, where cryptography cannot be updated to v. 42.x.

Example of the issue:

% mangadex-dl                                
Traceback (most recent call last):
  File "/opt/local/bin/mangadex-dl", line 5, in <module>
    from mangadex_downloader.__main__ import main
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/mangadex_downloader/__main__.py", line 23, in <module>
    from mangadex_downloader.cli import main
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/mangadex_downloader/cli/__init__.py", line 4, in <module>
    from .update import check_update
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/mangadex_downloader/cli/update.py", line 26, in <module>
    from ..update import check_version
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/mangadex_downloader/update.py", line 35, in <module>
    from .network import Net
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/mangadex_downloader/network.py", line 44, in <module>
    from requests_doh import DNSOverHTTPSAdapter, set_dns_provider
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/requests_doh/__init__.py", line 12, in <module>
    from .session import *
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/requests_doh/session.py", line 2, in <module>
    from .adapter import DNSOverHTTPSAdapter
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/requests_doh/adapter.py", line 8, in <module>
    from .connector.default import (
    ...<2 lines>...
    )
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/requests_doh/connector/default.py", line 22, in <module>
    from ..resolver import resolve_dns
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/requests_doh/resolver.py", line 4, in <module>
    from dns.query import https as query_https
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/dns/query.py", line 39, in <module>
    import dns.quic
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/dns/quic/__init__.py", line 10, in <module>
    from dns.quic._asyncio import AsyncioQuicConnection as AsyncioQuicConnection
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/dns/quic/_asyncio.py", line 9, in <module>
    import aioquic.h3.connection  # type: ignore
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/aioquic/h3/connection.py", line 20, in <module>
    from aioquic.quic.connection import QuicConnection, stream_is_unidirectional
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/aioquic/quic/connection.py", line 18, in <module>
    from .. import tls
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/aioquic/tls.py", line 38, in <module>
    from cryptography.hazmat.primitives.asymmetric.types import (
    ...<2 lines>...
    )
ModuleNotFoundError: No module named 'cryptography.hazmat.primitives.asymmetric.types'

Could those modules be used conditionally?