Centralize Ruby Version to `.ruby-version` #534

	name: Benchmarks

	on: push

	jobs:
	test:
	name: Send metric over UDP
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.1
	bundler-cache: true

	- name: Run benchmark on branch
	run: benchmark/send-metrics-to-local-udp-receiver

	- name: Run throughput benchmark on branch
	run: benchmark/local-udp-throughput

	- uses: actions/checkout@v3
	with:
	ref: 'main'

	- name: Install dependencies if needed
	run: bundle check \|\| bundle install --jobs 4 --retry 3

	- name: Run benchmark on main
	run: benchmark/send-metrics-to-local-udp-receiver

	- name: Run throughput benchmark on main
	run: benchmark/local-udp-throughput

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