update python version in action with base

renovate.json

@@ -6,5 +6,12 @@
       "automerge": true,
       "matchUpdateTypes": ["minor", "patch"]
     }
-  ]
+  ],
+  "postUpgradeTasks": {
+    "commands": [
+      "./scripts/post-upgrade.sh {{{depName}}} {{{currentVersion}}} {{{newVersion}}}"
+    ],
+    "executionMode": "update",
+    "fileFilters": []
+  }
 }

update_python_action.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+action_path=.github/workflows/docker-publish.yml
+
+# Example usage:
+# ./update_python_action.sh python 3.12 3.13
+dependency_name=$1
+current_version=$2
+new_version=$3
+
+# If package is not python, skip
+if [ "$dependency_name" != "python" ]; then
+    exit 0
+fi
+
+# Find and replace python version
+#         with:
+#           python-version: "3.13"
+
+sed -i "s/python-version: \"$current_version\"/python-version: \"$new_version\"/g" $action_path