Update CHANGELOG, bump version to v1.13.0

Author: bouwew

CHANGELOG.md

@@ -1,8 +1,9 @@
 # Changelog
 
-## Ongoing
+## v1.13.0
 
 - Improve on v1.12.0 update by outputting dedicated boiler_ and dhw_temperature dicts with current-key added. Rename dhw_mode off to eco for standard cv-heaters.
+  Via PR [#888](https://github.com/plugwise/python-plugwise/pull/888)
 
 ## v1.12.0
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name            = "plugwise"
-version         = "1.12.0"
+version         = "1.13.0"
 license         = "MIT"
 description     = "Plugwise Smile (Adam/Anna/P1) and Stretch module for Python 3."
 readme          = "README.md"