Update all GitHub Actions to newer versions #13

	# 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:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	build:
	strategy:
	matrix:
	os: [ 'ubuntu-22.04', 'macos-12' ]

	name: Running on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout repo
	uses: actions/checkout@v4

	- name: Install Bazelisk
	uses: bazelbuild/setup-bazelisk@v3

	- name: Setup cache for Bazel
	uses: actions/cache@v4
	with:
	path: "~/.cache/bazel"
	key: bazel

	- name: Build
	run: bazel build --config=ci //...

	- name: Run tests
	run: bazel test --config=ci --test_env=VERBOSE=2 //...

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