Minor style updates, adds Serverless in meta header #51

	name: opentelemetry
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	jobs:
	test-otel:
	name: 'Test Open Telemetry'
	env:
	TEST_ES_SERVER: http://localhost:9250
	PORT: 9250
	TEST_WITH_OTEL: true
	strategy:
	fail-fast: false
	matrix:
	ruby: ['3.3', 'jruby-9.4']
	es_version: ['8.15.0-SNAPSHOT']
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Increase system limits
	run: \|
	sudo swapoff -a
	sudo sysctl -w vm.swappiness=1
	sudo sysctl -w fs.file-max=262144
	sudo sysctl -w vm.max_map_count=262144
	- uses: elastic/elastic-github-actions/elasticsearch@master
	with:
	stack-version: ${{ matrix.es_version }}
	security-enabled: false
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	- name: Build and test with Rake
	run: \|
	sudo apt-get update
	sudo apt-get install libcurl4-openssl-dev
	ruby -v
	bundle install
	- name: unit tests
	run: bundle exec rake test:unit
	- name: specs
	run: bundle exec rake test:spec
	- name: integration tests
	run: bundle exec rake test:integration

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