modify go version #193

	name: test
	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	services:
	mysql:
	image: mysql:8.0
	env:
	MYSQL_ALLOW_EMPTY_PASSWORD: 'true'
	ports:
	- 3306:3306
	options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
	steps:
	- uses: actions/checkout@v3
	- name: Create databases
	run: mysql --host 127.0.0.1 --port 3306 -uroot -e "CREATE DATABASE users;CREATE DATABASE posts;CREATE DATABASE comments;"
	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: "1.21"
	- name: Install golang-migrate
	run: go install -tags 'mysql' github.com/golang-migrate/migrate/v4/cmd/migrate@latest
	- name: Run migrations
	run: make migrate-up
	- name: Test
	run: make test
	- name: Cover
	run: curl -s https://codecov.io/bash \| bash

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