Update changelogs

Signed-off-by: Christophe Bedard <bedard.christophe@gmail.com>

Author: christophebedard

rosidl_generator_py/CHANGELOG.rst

@@ -2,6 +2,13 @@
 Changelog for package rosidl_generator_py
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+Forthcoming
+-----------
+* Cast Sequence to list on assignment (with templates) (`#249 <https://github.com/ros2/rosidl_python/issues/249>`_)
+* Fix linter violations with flake8-import-order 0.19.0 (`#248 <https://github.com/ros2/rosidl_python/issues/248>`_)
+* Add DEPENDS_EXPLICIT_ONLY to remove implicit dependencies (`#238 <https://github.com/ros2/rosidl_python/issues/238>`_)
+* Contributors: Anthony Welte, Michael Carlstrom
+
 0.26.3 (2026-01-12)
 -------------------
 * Deprecate using set for container based input (`#243 <https://github.com/ros2/rosidl_python//issues/243>`_)