fix: update lint workflow to Python 3.12 for HA 2025.1 compatibility

Author: GuyKh

.github/workflows/lint.yml

@@ -19,7 +19,7 @@ jobs:
         - name: "Set up Python"
           uses: actions/setup-python@v6.2.0
           with:
-            python-version: "3.11"
+            python-version: "3.12"
             cache: "pip"
 
         - name: "Install requirements"