docs: update changelog

Author: JakobLichterfeld

CHANGELOG.md

@@ -43,6 +43,7 @@
 - build(deps): bump actions/checkout from 4.1.7 to 4.2.1 (#4262)
 - ci(fix): only run ghcr build in DevOps workflow on own repo ([022b173](https://github.com/teslamate-org/teslamate/commit/022b173430221d385479f4ec9d91d8ccffbfe7b9) - @JakobLichterfeld)
 - ci: pin ubuntu-24.04 as runner os ([40dab3e](https://github.com/teslamate-org/teslamate/commit/40dab3e2a978b8a867f1159626d4c157ccab6c56) - @JakobLichterfeld)
+- ci: cleanup caches when pr is closed ([75cfc7c](https://github.com/teslamate-org/teslamate/commit/75cfc7cdd4b8f83f247211dc7fc5c5cd433bf746) - @JakobLichterfeld)
 
 #### Dashboards