Migrated the Website service and library targets to use Persistence package with PostgreSQL instead.

Services/Website/Tests/Library/Cases/Public/Controllers/HealthControllerTests.swift

@@ -39,7 +39,7 @@ struct HealthControllerTests {
             driver: .inMemory,
             logger: Logger(label: "test")
         )
-        let fluent = service()
+        let fluent = try service()
 
         do {
             try await app(
@@ -70,7 +70,7 @@ struct HealthControllerTests {
         // Port 1 on the loopback interface has nothing listening, so the probe's connection is refused
         // immediately instead of timing out.
         let service = Service(
-            driver: .mysql(
+            driver: .postgres(
                 .init(
                     host: "127.0.0.1",
                     port: 1,
@@ -83,7 +83,7 @@ struct HealthControllerTests {
             ),
             logger: Logger(label: "test")
         )
-        let fluent = service()
+        let fluent = try service()
 
         do {
             try await app(