🔒️ Security hardening (Github Actions workflows) #442

	# Copyright 2024
	#
	# Everyone is permitted to copy, distribute, modify, merge, sell, publish,
	# sublicense or whatever the fuck they want with this software but at their
	# OWN RISK.
	# The author has absolutely no fucking clue what the code in this project
	# does. It might just fucking work or not, there is no third option.
	#
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	# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
	# DEALINGS IN THE SOFTWARE.
	---
	name: 🔒️ Security hardening (Github Actions workflows)

	on:
	merge_group: {}
	pull_request:
	types: [opened, synchronize]
	paths: [.github/workflows/**]

	permissions: {}

	jobs:
	ci_harden_security:
	name: 🔒️ Github Action security hardening
	runs-on: ubuntu-latest
	permissions:
	contents: read
	steps:
	- name: ⬇️ Checkout repository
	uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

	- name: 📄 Lint Github Actions
	run: \|
	curl -O https://raw.githubusercontent.com/rhysd/actionlint/main/.github/actionlint-matcher.json

	echo "::add-matcher::actionlint-matcher.json"
	bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
	./actionlint -color

	- name: ✅ Ensure SHA pinned actions
	uses: zgosalvez/github-actions-ensure-sha-pinned-actions@40e45e738b3cad2729f599d8afc6ed02184e1dbd # v3.0.5

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