docs: fix HACKING.md link #2638

	name: Hello Charm Tests

	on:
	push:
	branches:
	- main
	pull_request:
	workflow_call:

	jobs:
	hello-charm-tests:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	include:
	- charm-repo: jnsgruk/hello-kubecon
	commit: dbd133466dde59ee64f20a732a8f3d2e560ec3b8 # 2023-07-03T14:09:38Z
	- charm-repo: juju/hello-juju-charm
	commit: 046b8ce758660d5aa9cf05207e2370fcbab688d0 # 2021-12-16T10:10:24Z
	steps:
	- name: Set up Python 3.8
	uses: actions/setup-python@v5
	with:
	python-version: '3.8'

	- name: Checkout the ${{ matrix.charm-repo }} repository
	uses: actions/checkout@v4
	with:
	repository: ${{ matrix.charm-repo }}
	ref: ${{ matrix.commit }}

	- name: Remove 'ops' from charm requirements.txt
	run: \|
	sed -i -e "/^ops[ ><=]/d" -e "/canonical\/operator/d" -e "/#egg=ops/d" requirements.txt
	TEST_OPS="git+$GITHUB_SERVER_URL/$GITHUB_REPOSITORY@$GITHUB_SHA#egg=ops"
	echo -e "\n${TEST_OPS}" >> requirements.txt

	- name: Install dependencies
	run: pip install -r requirements-dev.txt

	- name: Run the charm tests
	run: \|
	export PYTHONPATH="lib:src:$PYTHONPATH"
	python3 -m unittest

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