Bump express from 4.19.2 to 4.21.0 in /reactjs (#253) #546

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: React Linting

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	permissions:
	contents: read

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- name: checkout code
	uses: actions/checkout@v3
	- name: Setup Env Vars
	run: \|
	cat >> .envvars << EOF
	DJANGO_SECRET_KEY='django-insecure-4o3ug_h7f1r6fa2z5@4o3ug_h7f1r6fa2-!x=-n*tfuccxn5n'
	MYSQL_HOST=stocksdb
	MYSQL_PORT=3306
	MYSQL_ROOT_PASSWORD=unittestrootpw
	MYSQL_DATABASE=stocksapp
	MYSQL_USER=team2
	MYSQL_PASSWORD=unittestMysqlP@ssword
	MYSQL_PWD=unittestMysqlP@ssword
	EOF
	- name: Build FrontEnd
	run: \|
	docker compose -f BuildTools/docker-compose.yml up -d --build --remove-orphans frontend
	- name: EsLint
	run: \|
	docker exec stocks_frontend /bin/bash -c 'cd src; npx eslint $(find ./ -name "*.js" \| grep -vP ".test.js")' > eslint.results.log
	if [[ $(grep -P '[0-9]+ problems' eslint.results.log \| wc -l ) -gt 0 ]]; then
	echo "ESLint found errors."
	cat eslint.results.log
	exit 1
	fi
	cat eslint.results.log

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