Updates OpenVGDB to latest version

Fixes broken OpenVGDB cover art URLs due to host moving from gamefaqs1.cbsistatic.com to gamefaqs.gamespot.com.

Delta/Database/DatabaseManager.swift

@@ -255,10 +255,10 @@ private extension DatabaseManager
             
             do
             {                
-                if !FileManager.default.fileExists(atPath: DatabaseManager.gamesDatabaseURL.path)
+                if !FileManager.default.fileExists(atPath: DatabaseManager.gamesDatabaseURL.path) || GamesDatabase.version != GamesDatabase.previousVersion
                 {
                     guard let bundleURL = Bundle.main.url(forResource: "openvgdb", withExtension: "sqlite") else { throw GamesDatabase.Error.doesNotExist }
-                    try FileManager.default.copyItem(at: bundleURL, to: DatabaseManager.gamesDatabaseURL)
+                    try FileManager.default.copyItem(at: bundleURL, to: DatabaseManager.gamesDatabaseURL, shouldReplace: true)
                 }
                 
                 self.gamesDatabase = try GamesDatabase()

Delta/Database/OpenVGDB/GamesDatabase.swift

@@ -66,7 +66,10 @@ extension GamesDatabase
 
 class GamesDatabase
 {
-    static let version = -1
+    static let version = 2
+    static var previousVersion: Int? {
+        return UserDefaults.standard.previousGamesDatabaseVersion
+    }
     
     private let connection: Connection