Mypy linting broken on Pypy 3.9 and 3.10

[NiklasRosenstein]

Example: https://github.com/NiklasRosenstein/python-typeapi/actions/runs/8327003375/job/22783789277

 Collecting mypy
  Downloading mypy-1.9.0-py3-none-any.whl.metadata (1.9 kB)
# ...
mypy| Daemon started
mypy| src/typeapi/utils_test.py:1: error: invalid syntax  [syntax]
mypy|     # type: ignore
mypy|                   ^

Only happens on pypy-3.9 or pypy-3.10 😕

[NiklasRosenstein]

Just want to add that this is still happening, so it's not an issue that might have been resolved through a newer Mypy vesion ~1 1/2y later.