workflow: Add cockroach-unstable to test matrix #1916

	# Copyright 2023 The Cockroach 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.
	#
	# SPDX-License-Identifier: Apache-2.0

	# This workflow checks for key patterns not otherwise matched by GitHub
	# secret scanning.
	name: CRDB Key Linter
	permissions:
	contents: read
	on:
	merge_group:
	push:
	jobs:
	lint:
	name: License Lint
	runs-on: ubuntu-latest
	steps:
	- name: Check out source
	uses: actions/checkout@v4

	- name: Check for CRDB license keys
	run: \|
	echo "CockroachDB license keys found in the following files:"
	git grep -lE 'crl-[[:digit:]]+-[[:alnum:]]+' \|\| exit 0
	exit 1

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