doc: update V5 release (#11247)

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# Which Problems Are Solved
- Fix the [Roadmap](https://zitadel.com/docs/product/roadmap#v5x) for V5
to **TBC**.

Co-authored-by: Rajat Singh <[email protected]>

docs/docs/product/roadmap.mdx

@@ -87,13 +87,8 @@ import SDKv3 from './_sdk_v3.mdx';
             <td colSpan={9}></td>
         </tr>
         <tr>
-            <th scope="row">[v5.x](/docs/product/roadmap#v5x)</th><td colSpan={3}></td>
-            <td colSpan={3}></td>
-            <td colSpan={3} class="release-impl">Implementation</td>
-            <td class="release-rc">RC</td>
-            <td colspan={5} class="release-stable">GA / Stable </td>
-            <td colSpan={3} class="release-deprecated">Deprecated</td>
-            <td colSpan={6}></td>
+            <th scope="row">[v5.x](/docs/product/roadmap#v5x)</th>
+            <td colSpan={24}>TBC</td>
         </tr>
     </tbody>
 </table>
@@ -175,6 +170,7 @@ For more detailed description about the different stages and the release cycle c
             </td>
             <td scope="row">
                 [v5.x](/docs/product/roadmap#v5x)
+                <div>Release: TBC</div>
                 <ul>
                     <li>Analytics</li>
                     <li>User Groups</li>
@@ -497,6 +493,8 @@ Excitingly, v3 introduces the foundational elements for Actions V2, opening up a
 
 **Current State**: Planning
 
+**Release**: TBC
+
 <details>
     <summary>New Features</summary>