Add simple example "Low-rank matrix completion" #5178

	name: CI
	on:
	push:
	branches:
	- master
	- release-*
	pull_request:
	types: [opened, synchronize, reopened]
	# needed to allow julia-actions/cache to delete old caches that it has created
	permissions:
	actions: write
	contents: read
	jobs:
	test:
	name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	# Since JuMP doesn't have binary dependencies, only test on a subset of
	# possible platforms.
	include:
	- version: '1' # The latest point-release (Linux)
	os: ubuntu-latest
	arch: x64
	- version: '1' # The latest point-release (Windows)
	os: windows-latest
	arch: x64
	- version: '1.6' # 1.6 LTS (64-bit Linux)
	os: ubuntu-latest
	arch: x64
	- version: '1.6' # 1.6 LTS (32-bit Linux)
	os: ubuntu-latest
	arch: x86
	- version: 'nightly'
	os: ubuntu-latest
	arch: x64
	steps:
	- uses: actions/checkout@v4
	- uses: julia-actions/setup-julia@v2
	with:
	version: ${{ matrix.version }}
	arch: ${{ matrix.arch }}
	- uses: julia-actions/cache@v1
	- uses: julia-actions/julia-buildpkg@v1
	- uses: julia-actions/julia-runtest@v1
	with:
	depwarn: error
	- uses: julia-actions/julia-processcoverage@v1
	- uses: codecov/codecov-action@v4
	with:
	file: lcov.info
	token: ${{ secrets.CODECOV_TOKEN }}

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