Add OSGeo4W workflow to compile Addons #3024

	---
	name: Python Flake8 Code Quality

	on:
	push:
	branches:
	- grass[0-9]+
	pull_request:
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress:
	# Do not cancel on protected branches, like grass8
	${{ github.ref_protected != true }}

	permissions: {}
	env:
	# renovate: datasource=python-version depName=python
	PYTHON_VERSION: "3.12"
	# renovate: datasource=pypi depName=flake8
	FLAKE8_VERSION: "7.1.1"

	jobs:
	flake8:
	runs-on: ubuntu-22.04

	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- name: Set up Python
	uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
	with:
	python-version: ${{ env.PYTHON_VERSION }}

	- name: Install
	run: \|
	python -m pip install --upgrade pip pipx
	pipx install flake8==${{ env.FLAKE8_VERSION }}

	- name: Run Flake8
	run: \|
	flake8 --count --statistics --show-source --jobs="$(nproc)" .

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