mountinfo: linux: use /proc/thread-self/mountinfo #437

	on: [push, pull_request]
	name: Test
	jobs:
	test:
	strategy:
	matrix:
	go-version: [1.17.x, 1.18.x]
	platform: [ubuntu-20.04, ubuntu-22.04, windows-latest, macos-11]
	runs-on: ${{ matrix.platform }}
	steps:
	- name: Install Go
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.go-version }}
	- name: Checkout code
	uses: actions/checkout@v3
	- name: go mod tidy
	run: \|
	make tidy
	git diff --exit-code
	- name: Lint
	run: make lint
	- name: Cross build
	if: ${{ runner.os == 'Linux' }}
	run: make cross
	- name: Test
	run: \|
	uname -a
	make test

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