Fix sass 1.79 deprecation warnings #9462

	# This is a basic workflow to help you get started with Actions

	name: CI
	env:
	NODE_OPTIONS: "--max_old_space_size=4096"

	# Controls when the action will run.
	on: [push, pull_request]

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2

	- uses: actions/setup-node@v4
	with:
	node-version-file: ".nvmrc"
	- run: npm install -g yarn@^1.19.0 && yarn install

	- name: Check formatting with prettier
	run: yarn prettier-check

	- name: Build TerriaJS tests
	run: yarn gulp lint release --continue
	env:
	NODE_OPTIONS: --max_old_space_size=4096

	- name: Run tests using xvfb
	uses: GabrielBB/xvfb-action@v1
	with:
	run: yarn gulp test-firefox

Provide feedback