refactor: Port LDAP_Type to heap type #49

	---
	name: CI

	on:
	push:
	pull_request:
	schedule:
	# every Monday
	- cron: '30 4 * * 1'
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	distros:
	name: "Ubuntu with Python ${{ matrix.python-version }}"
	runs-on: "${{ matrix.image }}"
	strategy:
	fail-fast: false
	matrix:
	python-version:
	- "3.7"
	- "3.8"
	- "3.9"
	- "3.10"
	- "3.11"
	- "3.12"
	- "pypy3.9"
	image:
	- "ubuntu-22.04"
	include:
	- python-version: "3.6"
	image: "ubuntu-20.04"
	steps:
	- name: Checkout
	uses: "actions/checkout@v4"
	- name: Install apt dependencies
	run: \|
	set -ex
	sudo apt update
	sudo apt install -y ldap-utils slapd enchant-2 libldap2-dev libsasl2-dev apparmor-utils
	- name: Disable AppArmor
	run: sudo aa-disable /usr/sbin/slapd
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	allow-prereleases: true
	- name: "Install Python dependencies"
	run: \|
	set -xe
	python -V
	python -m pip install --upgrade pip setuptools
	python -m pip install --upgrade tox tox-gh-actions
	- name: "Test tox with Python ${{ matrix.python-version }}"
	run: "python -m tox"

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