Add database services

Postgres and mysql are not set up properly by default so we need to add
these to make sure it has the proper setup.

Co-Authored-By: Sofia Besenski <sofia@super.gd>

Author: AlistairNorman

.github/workflows/test.yml

@@ -25,10 +25,35 @@ jobs:
         solidus-branch:
           - "v4.5"
         database:
+          - "postgres"
+          - "mysql"
           - "sqlite"
         exclude:
           - rails-version: "8.0"
             solidus-branch: "v4.4"
+    services:
+      postgres:
+        image: postgres:16
+        env:
+          POSTGRES_HOST_AUTH_METHOD: trust
+        options: >-
+          --health-cmd="pg_isready"
+          --health-interval=10s
+          --health-timeout=5s
+          --health-retries=5
+        ports:
+          - 5432:5432
+      mysql:
+        image: mysql:8
+        env:
+          MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
+        options: >-
+          --health-cmd="mysqladmin ping"
+          --health-interval=10s
+          --health-timeout=5s
+          --health-retries=5
+        ports:
+          - 3306:3306
     steps:
       - uses: actions/checkout@v4
       - name: Run extension tests