Add CodSpeed performance benchmarks for codec decode operations #1

	name: CodSpeed

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

	permissions:
	contents: read
	id-token: write

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

	- uses: actions/setup-node@v4
	with:
	node-version: 22

	- name: Install dependencies
	run: yarn install --frozen-lockfile

	- name: Run benchmarks
	uses: CodSpeedHQ/action@v4
	with:
	mode: simulation
	run: npx vitest bench --run

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