drop foreman_maintain, it's not using Redmine anymore #24

	---
	name: CI

	on:
	pull_request:
	push:
	branch: app

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python:
	- '3.9'
	- '3.10'
	- '3.11'
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}
	cache: 'pip'
	- name: Install dependencies
	run: pip install -e .
	- name: Validate syntax
	run: python -m py_compile prprocessor/*.py
	- name: Run tests
	run: python -m doctest prprocessor/__init__.py

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