Update LEM version in README

Author: gcatanese

README.md

@@ -13,7 +13,7 @@ This library supports the following:
 | [Checkout API](https://docs.adyen.com/api-explorer/Checkout/71/overview)                                                      |     v71     | Our latest integration for accepting online payments.                                                                                                                                                                                                                                                                                   | [CheckoutAPI](lib/adyen/services/checkout.rb)                        |
 | [Configuration API](https://docs.adyen.com/api-explorer/balanceplatform/2/overview)                                           |     v2      | The Configuration API enables you to create a platform where you can onboard your users as account holders and create balance accounts, cards, and business accounts.                                                                                                                                                                   | [BalancePlatform](lib/adyen/services/balancePlatform.rb)             |
 | [DataProtection API](https://docs.adyen.com/development-resources/data-protection-api)                                        |     v1      | Adyen Data Protection API provides a way for you to process [Subject Erasure Requests](https://gdpr-info.eu/art-17-gdpr/) as mandated in GDPR. Use our API to submit a request to delete shopper's data, including payment details and other related information (for example, delivery address or shopper email)                       | [DataProtection](lib/adyen/services/dataProtection.rb)               |
-| [Legal Entity Management API](https://docs.adyen.com/api-explorer/legalentity/3/overview)                                     |     v3      | Manage legal entities that contain information required for verification.                                                                                                                                                                                                                                                               | [LegalEntityManagement](lib/adyen/services/legalEntityManagement.rb) |
+| [Legal Entity Management API](https://docs.adyen.com/api-explorer/legalentity/3/overview)                                     |     v4      | Manage legal entities that contain information required for verification.                                                                                                                                                                                                                                                               | [LegalEntityManagement](lib/adyen/services/legalEntityManagement.rb) |
 | [Management API](https://docs.adyen.com/api-explorer/Management/3/overview)                                     |     v3      | Configure and manage your Adyen company and merchant accounts, stores, and payment terminals.                                                                                                                                                                                                                                           | [Management](lib/adyen/services/management.rb)                       |
 | [OpenBanking API](https://docs.adyen.com/api-explorer/open-banking/1/overview)                                                |     v1      |  Securely share financial data and services with third parties.                                                                                                                                                                                                                                                  | [OpenBanking](lib/adyen/services/openBanking.rb)                     |
 | [SessionAuthentication API](https://docs.adyen.com/api-explorer/sessionauthentication/1/overview)                                                |     v1      |  The Session authentication API enables you to create and manage the JSON Web Tokens (JWT) required for integrating components.                                                                                                                                                                                                                                                  | [SessionAuthentication](lib/adyen/services/sessionAuthentication.rb)                     |