Limit FastAPI version to <0.128.4

[shahar1]

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Recent FastAPI release (0.128.4) breaks all of the system and integration tests.
Cadwyn seems incompatible with these change:

  File "/opt/airflow/airflow-core/src/airflow/utils/db_manager.py", line 169, in __init__
    from airflow.api_fastapi.app import create_auth_manager
  File "/opt/airflow/airflow-core/src/airflow/api_fastapi/app.py", line 36, in <module>
    from airflow.api_fastapi.execution_api.app import create_task_execution_api_app
  File "/opt/airflow/airflow-core/src/airflow/api_fastapi/execution_api/app.py", line 28, in <module>
    from cadwyn import (
  File "/usr/python/lib/python3.10/site-packages/cadwyn/__init__.py", line 3, in <module>
    from .applications import Cadwyn
  File "/usr/python/lib/python3.10/site-packages/cadwyn/applications.py", line 31, in <module>
    from cadwyn.changelogs import CadwynChangelogResource, _generate_changelog
  File "/usr/python/lib/python3.10/site-packages/cadwyn/changelogs.py", line 7, in <module>
    from fastapi._compat import (
ImportError: cannot import name 'get_compat_model_name_map' from 'fastapi._compat' (/usr/python/lib/python3.10/site-packages/fastapi/_compat/__init__.py)

Also, reported the issue in cadwyns's repo: zmievsa/cadwyn#326

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---

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[jscheffl]

Oh, cadwyn again? :-(

[jscheffl]

One error seems unrelated, LGTM!