doc: update version on readme

Author: Ansonhkg

README.md

@@ -88,9 +88,9 @@ If you're a tech-savvy user and wish to utilize only specific submodules that ou
 
 | Version          | Link                                                     |
 | ---------------- | -------------------------------------------------------- |
-| V7 (Beta)        | [7.x.x docs](https://v7-api-doc-lit-js-sdk.vercel.app/)  |
+| V7 (Current)     | [7.x.x docs](https://v7-api-doc-lit-js-sdk.vercel.app/)  |
 | V6               | [6.x.x docs](https://v6-api-doc-lit-js-sdk.vercel.app/)  |
-| V5 (**Current**) | [5.x.x docs](https://v3.api-docs.getlit.dev/)            |
+| V5               | [5.x.x docs](https://v3.api-docs.getlit.dev/)            |
 | V2               | [2.x.x docs](http://docs.lit-js-sdk-v2.litprotocol.com/) |
 
 </div>