Add `ArenaHard` benchmark and `ArenaHardResults` step #130

	name: Benchmarks

	on:
	push:
	branches:
	- "main"
	pull_request:

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	benchmarks:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.12"
	# Looks like it's not working very well for other people:
	# https://github.com/actions/setup-python/issues/436
	# cache: "pip"
	# cache-dependency-path: pyproject.toml

	- uses: actions/cache@v3
	id: cache
	with:
	path: ${{ env.pythonLocation }}
	key: ${{ runner.os }}-python-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}-benchmarks-v00

	- name: Install dependencies
	if: steps.cache.outputs.cache-hit != 'true'
	run: ./scripts/install_dependencies.sh

	- name: Run benchmarks
	uses: CodSpeedHQ/action@v2
	with:
	token: ${{ secrets.CODSPEED_TOKEN }}
	run: pytest tests/ --codspeed

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