Update metainfo for prerelease

Author: SubhadeepJasu

data/com.github.subhadeepjasu.pebbles.metainfo.xml.in

@@ -105,7 +105,7 @@
     <content_attribute id="money-gambling">none</content_attribute>
   </content_rating>
   <releases>
-    <release date="2026-01-01" version="3.0.0">
+    <release date="2025-12-29" version="3.0.0">
       <description>
         <p>New:</p>
         <ul>