Revert "Update ghcr.io/hassio-addons/base Docker tag to v18.1.4 (#496)"

This reverts commit d8a04fedb8.

.github/workflows/python-app.yml

@@ -37,7 +37,7 @@ jobs:
     - uses: actions/checkout@v5
       with:
         fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
-    - name: Set up Python 3.14
+    - name: Set up Python 3.13
       uses: actions/setup-python@v6
       with:
         python-version: "3.14"

CHANGELOG.md

@@ -7,8 +7,6 @@ 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

ha_addons/ha_addon/Dockerfile

@@ -13,7 +13,7 @@
 # 1 Build Base Image #
 ######################
 
-ARG BUILD_FROM="ghcr.io/hassio-addons/base:18.1.4"
+ARG BUILD_FROM="ghcr.io/hassio-addons/base:18.1.2"
 # hadolint ignore=DL3006
 FROM $BUILD_FROM AS base