chore(deps): update python docker tag to v3.12

Dockerfile

@@ -1,5 +1,5 @@
 # Container image that runs your code
-FROM python:3.11-alpine
+FROM python:3.12-alpine
 
 # Copies your code file from your action repository to the filesystem path `/` of the container
 COPY entrypoint.sh /entrypoint.sh