Update CHANGELOG, bump to v0.35.3a0 test-version

Author: bouwew

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## v0.35.3
+
+- Working solution for [Core Issue #104433](https://github.com/home-assistant/core/issues/104433)
+
 ## v0.35.2
 
 - Add detection & removal of orphaned heater_central.

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name            = "plugwise"
-version         = "0.35.2"
+version         = "0.35.3a0"
 license         = {file = "LICENSE"}
 description     = "Plugwise Smile (Adam/Anna/P1) and Stretch module for Python 3."
 readme          = "README.md"