Bump Docker base image to 2025.12.0 (home-assistant#159077)

Author: sairon

.github/workflows/builder.yml

@@ -15,7 +15,7 @@ env:
   UV_HTTP_TIMEOUT: 60
   UV_SYSTEM_PYTHON: "true"
   # Base image version from https://github.com/home-assistant/docker
-  BASE_IMAGE_VERSION: "2025.11.3"
+  BASE_IMAGE_VERSION: "2025.12.0"
   ARCHITECTURES: '["amd64", "aarch64"]'
 
 jobs: