ci: use preinstalled clang to speed up CI #12

	name: Build and Test

	on:
	push:
	branches:
	- master
	pull_request:
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	build:
	name: Build and Test
	runs-on: ubuntu-latest
	permissions:
	contents: read
	steps:
	- name: Check out code
	uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
	with:
	fetch-depth: 0

	- name: Install dependencies
	uses: ./.github/actions/install-dependencies

	- name: Build
	run: \|
	cmake -B build
	cmake --build build

	- name: Test
	run: ctest --test-dir build

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