add benchmarks using pytest-benchmark and codspeed #4

	name: CodSpeed Benchmarks

	on:
	push:
	branches:
	- "main" # or "master"
	pull_request:
	# `workflow_dispatch` allows CodSpeed to trigger backtest
	# performance analysis in order to generate initial data.
	workflow_dispatch:

	jobs:
	benchmarks:
	name: Run benchmarks
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v5
	with:
	fetch-depth: 0 # grab all branches and tags
	- name: Set up Python
	uses: actions/setup-python@v6
	- name: Install Hatch
	run: \|
	python -m pip install --upgrade pip
	pip install hatch
	- name: Run the benchmarks
	uses: CodSpeedHQ/action@v4
	with:
	mode: instrumentation
	run: hatch run test.py3.11-1.26-minimal:run-benchmark

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