Update changelogs from fern repo (#5687)

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

Author: fern-support

fern/products/sdks/generators/python/changelog/2026-06-04.mdx

@@ -0,0 +1,5 @@
+## 5.14.11
+**`(chore):`** Bump aiohttp lower bound from >=3.13.4 to >=3.14.0 and tighten Python
+marker to >=3.10 to address CVE-2026-47265 and CVE-2026-47266.
+
+