Update changelogs from fern repo (#4308)

Co-authored-by: jsklan <100491078+jsklan@users.noreply.github.com>

Author: fern-support

fern/products/sdks/overview/python/changelog/2026-03-16.mdx

@@ -1,3 +1,10 @@
+## 5.0.1
+**`(chore):`** Upgrade `pytest-asyncio` dev dependency from `^0.23.5` to `^1.0.0` in generated
+`pyproject.toml`. This eliminates deprecation warnings about `asyncio.iscoroutinefunction`,
+`asyncio.get_event_loop_policy`, and `asyncio.set_event_loop_policy` when running tests
+on Python 3.14+.
+
+
 ## 5.0.0
 **`(feat):`** Raise the default minimum Python version from `^3.8` to `^3.10` in generated
 `pyproject.toml`. This allows the dependency resolver to pick Pydantic 2.11+ and