docs

GCS: use Query.SetAttrSelection when listing objects #288

	name: docs

	on:
	push:
	branches:
	- main
	tags:
	pull_request:

	jobs:
	check:
	runs-on: ubuntu-latest
	name: Documentation check
	env:
	GOBIN: /tmp/.bin
	steps:
	- name: Checkout code into the Go module directory.
	uses: actions/checkout@v2

	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.18.x

	- uses: actions/cache@v1
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}

	- name: Check docs
	run: make check-docs

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