feat!: drop python 2 and <3.10 compatibility

pyproject.toml

setup.cfg

src/zolfa/nd2reader/__init__.py

src/zolfa/nd2reader/artificial.py

src/zolfa/nd2reader/common.py

src/zolfa/nd2reader/common_raw_metadata.py

src/zolfa/nd2reader/label_map.py

src/zolfa/nd2reader/parser.py

src/zolfa/nd2reader/raw_metadata.py

tests/test_artificial.py

tests/test_common.py

tests/test_raw_metadata.py

tests/test_reader.py