fix: go ci lint #1977

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	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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