rollback github action to python 3.13

- with python 3.14 the test often hangs

.github/workflows/python-app.yml

@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
     - name: Set up Python 3.13

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [unreleased]
 
 - Update ghcr.io/hassio-addons/base Docker tag to v18.1.4
+- Update python to version 3.14.0
 - Update dependency pytest-asyncio to v1.1.0
 - save task references, to avoid a task disappearing mid-execution
 - catch socket.gaierror exception and log this with info level