Fix release information for 5.0 dev docs intro page

docs/intro.md

@@ -1,13 +1,13 @@
 ---
 id: introduction
 title: Introduction
-description: Developer documentation for Moodle 4.5.
+description: Developer documentation for Moodle 5.0.
 slug: /
 tags:
   - Getting started
 ---
 
-Welcome to the Developer Documentation for **Moodle 4.5**.
+Welcome to the Developer Documentation for **Moodle 5.0**.
 
 This documentation is version-specific and includes a range of useful guides and information.
 
@@ -17,10 +17,10 @@ This documentation is version-specific and includes a range of useful guides and
 - Look through our [guides to Moodle APIs](./apis.md)
 - Browse our [Moodle feature](./guides.md) deep dives
 - Interested in supporting the Moodle App in your plugins? Read the [Moodle App documentation](/general/app)
-{/*- You may want to read the [Release notes](/general/releases/4.5) for Moodle 4.5 */}
+{/*- You may want to read the [Release notes](/general/releases/5.0) for Moodle 5.0 */}
 
 :::
 
 import ReleaseStateSummary from '@site/src/components/ReleaseStateSummary';
 
-<ReleaseStateSummary releaseName="4.5" />
+<ReleaseStateSummary releaseName="5.0" />