redis-om 1.0.3b0: python 3.8 is still supported in pyproject.toml but typing fails

[woutdenolf]

pip install "redis-om==1.0.3b0"
python -c "import redis_om"

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File ".../lib/python3.8/site-packages/redis_om/__init__.py", line 4, in <module>
    from .model.migrations.migrator import MigrationError, Migrator
  File ".../lib/python3.8/site-packages/redis_om/model/__init__.py", line 2, in <module>
    from .model import (
  File ".../lib/python3.8/site-packages/redis_om/model/model.py", line 47, in <module>
    from .types import Coordinates, CoordinateType, GeoFilter
  File ".../lib/python3.8/site-packages/redis_om/model/types.py", line 1, in <module>
    from typing import Annotated, Any, Literal, Tuple, Union
ImportError: cannot import name 'Annotated' from 'typing' (/home/denolf/.local/wdnbashutils/.pyenv/versions/3.8.20/lib/python3.8/typing.py)

This issue does not exist in 1.0.2b0.

[woutdenolf]

Introduce in #704. @sethbuff Could you fix it? Or drop python 3.8?