chore: update appdata license id

KRTirtho · KRTirtho · commit a7ef6111026d · 2023-09-09T12:39:51.000+06:00
diff --git a/linux/dev.krtirtho.Flemozi.appdata.xml b/linux/dev.krtirtho.Flemozi.appdata.xml
@@ -6,7 +6,7 @@
     Advanced⚡ Emoji Picker😀 for Linux🐧, Windows🪟 and macOS🍎
   </summary>
   <metadata_license>CC0-1.0</metadata_license>
-  <project_license>GPLv3</project_license>
+  <project_license>GPL-3.0-or-later</project_license>
   <recommends>
     <control>pointing</control>
     <control>keyboard</control>
