Bump path-to-regexp and express in /functions #322

	# Copyright 2021 Google LLC
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	name: Build & Test

	on: [push, pull_request]

	jobs:
	build-test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup Node
	uses: actions/setup-node@v1
	with:
	node-version: 12
	- name: Install
	run: \|
	npm ci --no-optional
	npm --prefix functions ci --no-optional
	- name: Build and Test
	run: \|
	npm run build
	npm --prefix functions run build

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