fix platformio.ini and firmware version #495

	on:
	push:
	branches:
	- master
	- experimental

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	name: Prepare Release Asset

	jobs:
	build:
	name: Prepare Release Asset
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Cache pip
	uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: Cache PlatformIO
	uses: actions/cache@v2
	with:
	path: ~/.platformio
	key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
	- name: Set up Python
	uses: actions/setup-python@v2
	- name: Install PlatformIO
	run: \|
	python -m pip install --upgrade pip
	pip install --upgrade platformio
	- name: Install native libs
	run: \|
	sudo apt-get update
	sudo apt-get install libsdl2-dev libcurl4-gnutls-dev libmosquitto-dev build-essential
	- name: Run PlatformIO
	run: pio run

Provide feedback