Bump actions/checkout from 3 to 4 #54

	---
	# Copyright 2023 JanusGraph Authors
	#
	# 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: Linter

	on:
	pull_request: { }
	push: { }

	jobs:
	check:
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout Code
	uses: actions/checkout@v4
	with:
	# Full git history is needed to get a proper
	# list of changed files within `super-linter`
	fetch-depth: 0
	- name: Lint Code Base
	uses: github/super-linter@v5
	env:
	VALIDATE_ALL_CODEBASE: false
	DEFAULT_BRANCH: master
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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