correct changelog title

Author: westnordost

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-## v63.0
+## v63.0-beta1
 
 ### General Improvements
 

app/src/commonMain/composeResources/files/changelog.html

@@ -1,5 +1,5 @@
 <!-- Do not edit! This file was generated automatically from CHANGELOG.md via UpdateChangelogTask -->
-<h2>v63.0</h2>
+<h2>v63.0-beta1</h2>
 <h3>General Improvements</h3>
 <ul>
 <li>You’ll now get in-app notifications when a new issue of weeklyOSM is out, the news blog about what’s happening in the OpenStreetMap world (<a href="https://github.com/streetcomplete/StreetComplete/issues/1796">#1796</a>, <a href="https://github.com/streetcomplete/StreetComplete/issues/6728">#6728</a>, <a href="https://github.com/streetcomplete/StreetComplete/issues/5977">#5977</a>)</li>