Update GitHub workflow

Author: Simon Bäse

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Setup Environment
         run: |
           sudo systemctl start mysql.service
-          mysql -e 'CREATE DATABASE db;' -u root -p root
+          mysql -e 'CREATE DATABASE db;' -u root -p root -h 127.0.0.1
           sudo systemctl start apache2
       - name: Unit & Kernel Tests
         run: vendor/bin/phpunit --testsuite unit,kernel