update CI

.github/workflows/ci.yml

@@ -3,7 +3,6 @@ name: CI
 env:
   COMPOSE_INTERACTIVE_NO_CLI: 1
   PHP_CS_FIXER_IGNORE_ENV: 1
-  MYSQL_PORT: 3307
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 on:
@@ -18,24 +17,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Start docker containers
-      run: docker-compose up -d
     - name: Install composer dependencies
       run: composer install
     - name: Run tests
       run: vendor/bin/pest
 
-  phpstan:
-    name: Static analysis (PHPStan)
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Install composer dependencies
-      run: composer install
-    - name: Run phpstan
-      run: vendor/bin/phpstan analyse
-
   php-cs-fixer:
     name: Code style (php-cs-fixer)
     runs-on: ubuntu-latest