Cherry pick enhance validation 7.8 (#4821) #7926

	name: golangci-lint

	on:
	push:
	branches: [ main, release-** ]
	pull_request:
	branches: [ main, release-** ]
	workflow_dispatch:

	env:
	BRANCH_NAME: ${{ github.head_ref \|\| github.ref_name }}
	EXCLUDE_ENTERPRISE: true

	jobs:
	down-migrations:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v3
	with:
	path: "focalboard"
	- name: assert that down migrations are SELECT 1 scripts
	run: \|
	cd focalboard
	echo 'SELECT 1;' > downmigration
	for file in server/services/store/sqlstore/migrations/*.down.sql; do diff -Bw downmigration $file; done

	golangci:
	name: plugin
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/setup-go@v3
	with:
	go-version: 1.18.1
	- uses: actions/checkout@v3
	with:
	path: "focalboard"
	- id: "mattermostServer"
	uses: actions/checkout@v3
	continue-on-error: true
	with:
	repository: "mattermost/mattermost-server"
	fetch-depth: "20"
	path: "mattermost-server"
	ref: ${{ env.BRANCH_NAME }}
	- uses: actions/checkout@v3
	if: steps.mattermostServer.outcome == 'failure'
	with:
	repository: "mattermost/mattermost-server"
	fetch-depth: "20"
	path: "mattermost-server"
	ref : "b61c096497ac1f22f64b77afe58d0dd5a72b38f1"
	- name: set up golangci-lint
	run: curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh \| sh -s -- -b $(go env GOPATH)/bin v1.46.2
	- name: lint
	run: \|
	cd focalboard
	make server-lint

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