ci: add mailhog service for tests

.github/workflows/tests.yml

@@ -15,6 +15,13 @@ jobs:
     runs-on: ubuntu-latest
     environment: Testing
 
+    services:
+      mailhog:
+        image: mailhog/mailhog
+        ports:
+          - 2525:1025
+          - 8025:8025
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -50,5 +57,8 @@ jobs:
       - name: Build Assets
         run: npm run build
 
+      - name: Wait for Mailhog
+        run: sleep 5
+
       - name: Run Tests
         run: ./vendor/bin/pest