Add platform CI note to the CODEOWNERS file #205

	# based on https://github.com/marco-m/timeit/blob/master/.github/workflows/ci.yml

	on: [push, pull_request_target]
	name: CI
	jobs:
	all:
	strategy:
	matrix:
	go-version: [1.17.x]
	os: [ubuntu-latest]
	task-version: [v3.10.0]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Install Go ${{ matrix.go-version }}
	uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go-version }}
	- name: Install task ${{ matrix.task-version }}
	run: go install github.com/go-task/task/v3/cmd/task@${{ matrix.task-version }}
	- name: Checkout code
	uses: actions/checkout@v2
	with:
	# By default, actions/checkout will persist the GITHUB_TOKEN, so that further
	# steps in the job can perform authenticated git commands (that is: WRITE to
	# the repo). Following the Principle of least privilege, we disable this as long
	# as we don't need it.
	persist-credentials: false
	- run: task install:deps
	- run: task lint
	- run: task test
	- run: task build

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