Docs: update NVIDIA minimum GPU recommendation

- PyTorch installed by managed server doesn't support GTX 1000 series anymore

Author: Acly

docs/src/content/docs/installation.mdx

@@ -116,7 +116,7 @@ These steps are only required if you selected **Local Managed Server** as the ba
         <tbody>
             <tr>
                 <td><Icon name="bootstrap/nvidia" /> NVIDIA</td>
-                <td>GTX 1060 6GB or better.</td>
+                <td>RTX 2060 or better.</td>
             </tr>
             <tr>
                 <td><Icon name="bootstrap/apple" /> Apple</td>