Don't pin Python version in GitHub Actions workflows

Author: kberzinch

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.13.2'
+          python-version: '3.13'
 
       - name: Setup Poetry
         uses: abatilo/actions-poetry@v4

renovate.json

@@ -27,16 +27,6 @@
     },
     "packageRules": [
         {
-            "matchCategories": [
-                "python"
-            ],
-            "lockFileMaintenance": {
-                "enabled": true,
-                "schedule": [
-                    "before 4pm every weekday except before 9am every weekday"
-                ],
-                "prPriority": -9
-            },
             "matchDepNames": [
                 "python"
             ],