Update sphinx requirement from <7.4,>=7 to >=7,<7.5 #61

	name: PlatformIO CI

	on:
	pull_request:
	branches: ~
	push:
	branches: [ main ]

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- name: Acquire sources
	uses: actions/checkout@v4

	- name: Cache pip
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Cache PlatformIO
	uses: actions/cache@v4
	with:
	path: ~/.platformio
	key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Install PlatformIO
	run: \|
	python -m pip install --upgrade pip
	pip install --upgrade platformio

	- name: Run build
	run: pio run

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