Separate lint into several jobs #7

	name: Lint tests

	on:
	push:
	branches-ignore:
	- 'release/*'
	pull_request:
	env:
	CORE_REPO_SHA: 955c92e91b5cd4bcfb43c39efcef086b040471d2

	jobs:
	lint-3_11:
	strategy:
	fail-fast: false # ensures the entire test matrix is run, even if one permutation fails
	matrix:
	package:
	- "opentelemetry-api"
	os: [ubuntu-20.04]
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout Contrib Repo @ SHA - ${{ github.sha }}
	uses: actions/checkout@v4
	- name: Set up Python 3.11
	uses: actions/setup-python@v5
	with:
	python-version: 3.11
	- name: Install tox
	run: pip install tox
	- name: Cache tox environment
	# Preserves .tox directory between runs for faster installs
	uses: actions/cache@v4
	with:
	path: \|
	.tox
	~/.cache/pip
	key: v7-build-tox-cache-${{ matrix.package }}-${{ hashFiles('tox.ini', 'gen-requirements.txt', 'dev-requirements.txt') }}
	- name: run tox
	run: tox -e lint-${{ matrix.package }}

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