docs(readme): update minimum Fedora version

Author: ReenigneArcher

README.md

@@ -102,7 +102,7 @@ LizardByte has the full documentation hosted on [Read the Docs](https://app.read
         <td>Linux/Debian: 12+ (bookworm)</td>
     </tr>
     <tr>
-        <td>Linux/Fedora: 39+</td>
+        <td>Linux/Fedora: 40+</td>
     </tr>
     <tr>
         <td>Linux/Ubuntu: 22.04+ (jammy)</td>