Add `GAP_FLAGS` to list of inputs #95

	name: CI

	# Trigger the workflow on push or pull request
	on:
	push:
	branches:
	- master
	pull_request:

	env:
	CHERE_INVOKING: 1

	jobs:
	test:
	name: ${{ matrix.no-coverage }} ${{ matrix.testfile }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	no-coverage: ['']
	testfile: ['']
	include:
	- no-coverage: 'no-coverage'
	testfile: ''
	- no-coverage: ''
	testfile: 'tst/testall.g'

	steps:
	# the order of the checkout actions is important because all contents of
	# the target folder of the checkout action is removed
	- name: "Clone the Example package"
	uses: actions/checkout@v2
	with:
	repository: gap-packages/example
	- name: "Check out this repository"
	uses: actions/checkout@v2
	with:
	path: this-action/
	- uses: gap-actions/setup-gap@v2
	with:
	GAP_PKGS_TO_BUILD: ''
	- uses: gap-actions/build-pkg@v1
	- uses: ./this-action/
	with:
	NO_COVERAGE: ${{ matrix.no-coverage }}
	GAP_TESTFILE: ${{ matrix.testfile }}

Provide feedback