fix: increase max URL length #1518

	#
	# Licensed to the Apache Software Foundation (ASF) under one or more
	# contributor license agreements. See the NOTICE file distributed with
	# this work for additional information regarding copyright ownership.
	# The ASF licenses this file to You 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
	#
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	# limitations under the License.

	name: check-grafana-dashboards

	on:
	pull_request:
	branches:
	- main
	- release-*

	jobs:
	check-grafana-dashboards:
	name: check grafana dashboards
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	- name: Check grafana dashboards whether using mysql uid
	run: \|
	if grep '"type": "mysql"' grafana/dashboards/*; then
	echo "There are dashboards which use mysql uid as datasource"
	exit 1
	fi

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