Update python Docker tag to v3.13.0 #2334

	---
	name: Run tox

	on:
	pull_request:
	workflow_dispatch:
	push:
	branches:
	- "master"

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	# https://raw.githubusercontent.com/actions/python-versions/main/versions-manifest.json
	python-version: ["3.8", "3.9"]
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt update -y
	sudo apt install libkrb5-dev -y
	python -m pip install --upgrade pip
	pip install --upgrade virtualenv
	pip install --upgrade tox>4.0.0
	pip install --pre tox-gh-actions
	- name: Run static tests with tox
	run: \|
	tox -m static
	- name: Run unit tests with tox
	run: \|
	tox -m test
	- name: Run documentation build test with tox
	run: \|
	tox -m docs
	- name: Run security checks with tox
	run: \|
	tox -m security

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