Heap: Improve debug caller address reporting #777

	# We do not distribute any environment settings, so just try to build some sketches
	# using the 'master' branch and using the uploaded toolchain version via get.py
	# Also, limit the amount of sketches and simply

	name: Build examples with PlatformIO

	on:
	pull_request:

	permissions:
	contents: read

	jobs:
	build-pio:
	name: Linux (random sketches)
	runs-on: ubuntu-latest
	defaults:
	run:
	shell: bash
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- uses: actions/setup-python@v5
	with:
	python-version: '3.x'
	- uses: actions/cache@v4
	with:
	path: \|
	tools/dist
	~/.cache/pip
	~/.platformio/.cache
	key: ${{ runner.os }}-${{ hashFiles('package/package_esp8266com_index.template.json', 'tests/common.sh', 'tests/build.sh') }}
	- name: Build
	env:
	ESP8266_ARDUINO_BUILDER: "platformio"
	run: \|
	pip install -U platformio
	env ESP8266_ARDUINO_SKETCHES="$(find libraries/ -name '*.ino' \| shuf -n 10 -)" bash ./tests/build.sh

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