Add `Geometry#line_substring`. #26

	---
	name: FFI Geos
	'on':
	push:
	branches:
	- master
	- github-actions
	pull_request:
	jobs:
	tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	ruby: [ '2.6', '2.7', '3.0', '3.1' ]
	name: Ruby ${{ matrix.ruby }} tests
	steps:
	- name: Check out app
	uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Set up apt packages
	run: sudo apt-get -yqq install libgeos-dev
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	- name: Bundle install
	run: \|-
	gem update --system
	bundle install --path=.bundle --jobs 2 --retry 3
	- name: Run Tests
	env:
	COVERAGE: 'true'
	CI: 'true'
	run: bundle exec rake test
	- name: Fix coverage report
	if: always()
	run: sed -i "s/\/home\/runner\/work\/ffi-geos\/ffi-geos\//\/github\/workspace\//g" coverage/coverage.json \|\| true
	- name: Run rubocop
	if: always()
	env:
	RAILS_ENV: test
	run: bundle exec rubocop --parallel --format=json > rubocop-report.json \|\| true
	- name: Run SonarCloud
	if: always()
	uses: sonarsource/sonarcloud-github-action@master
	env:
	GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
	SONAR_TOKEN: "${{ secrets.SONAR_CLOUD_TOKEN }}"

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