ci: Add postgres env vars

Author: matrei

.github/workflows/gradle.yml

@@ -23,13 +23,21 @@ jobs:
     services:
       postgres:
         image: postgres
+        env:
+          POSTGRES_USER: postgres_extensions
+          POSTGRES_PASSWORD: postgres_extensions
         ports:
           - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
     steps:
       - name: "📥 Checkout repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: "☕️ Setup JDK"
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           java-version: 17
           distribution: liberica