feat(push): migrate APNs provider from @parse/node-apn to apns2 library

- Replace @parse/node-apn with apns2 for improved APNs integration
- Update ApnsProvider to use new ApnsClient with modern API
- Refactor notification creation and sending logic for better error handling
- Add proper error event listeners for device token issues
- Update configuration interface to match apns2 requirements
- Modify push notification endpoints to allow public access for token registration
- Update service methods to handle new response format from apns2
- Add UsersModule dependency to PushNotificationsModule

package.json

@@ -37,6 +37,7 @@
     "@parse/node-apn": "^5.0.0",
     "@types/jsonwebtoken": "^9.0.9",
     "@types/uuid": "^10.0.0",
+    "apns2": "^12.2.0",
     "axios": "^1.10.0",
     "body-parser": "^2.2.0",
     "class-transformer": "^0.5.1",
@@ -106,4 +107,4 @@
     "coverageDirectory": "../coverage",
     "testEnvironment": "node"
   }
-}
+}