Update matrix

Author: mbabker

docs/intro.md

@@ -25,7 +25,7 @@ The below table shows the supported PHP and Symfony versions for this bundle. No
 |---------|-------------------------|--------------|-------------------|
 | 2.x     | **No Longer Supported** | 7.2-8.0      | 3.4, 4.4, 5.3-5.4 |
 | 3.x     | Actively Supported      | 7.4-8.2      | 4.4, 5.4, 6.0-6.4 |
-| 4.x     | Actively Supported      | 8.1+         | 5.4, 6.4, 7.1-7.2 |
-| 5.x     | In Development          | 8.2+         | 6.4, 7.2          |
+| 4.x     | Actively Supported      | 8.1+         | 5.4, 6.4, 7.1-7.4 |
+| 5.x     | In Development          | 8.4+         | 6.4, 7.3          |
 
 <div class="docs-note">When a maximum PHP version is listed, that is the highest version that is tested for support. The bundle may work on newer PHP versions, but support is not guaranteed.</div>