DOCS

update go mod version to 1.18 #390

	name: DOCS

	on:
	# trigger deployment on every push to main branch
	push:
	branches: [main]
	# trigger deployment manually
	workflow_dispatch:

	jobs:
	docs:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	with:
	# fetch all commits to get last updated time or other git log info
	fetch-depth: 0

	- name: Setup Node.js
	uses: actions/setup-node@v1
	with:
	# choose node.js version to use
	node-version: '14'

	# cache node_modules
	- name: Cache dependencies
	uses: actions/cache@v3
	id: yarn-cache
	with:
	path: \|
	**/docs/node_modules
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/docs/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-

	# install dependencies if the cache did not hit
	- name: Install dependencies
	if: steps.yarn-cache.outputs.cache-hit != 'true'
	run: yarn --frozen-lockfile
	working-directory: ./docs

	# run build script
	- name: Build VuePress site
	run: yarn docs:build
	working-directory: ./docs

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