Prep for release

Author: emericg

assets/linux/toolblex.appdata.xml

@@ -22,7 +22,7 @@
   </description>
 
   <releases>
-    <release version="0.12" date="2024-05-01"> <url type="details">https://github.com/emericg/toolBLEx/releases/tag/v0.12</url> </release>
+    <release version="0.12" date="2024-06-19"> <url type="details">https://github.com/emericg/toolBLEx/releases/tag/v0.12</url> </release>
     <release version="0.11" date="2024-04-04"> <url type="details">https://github.com/emericg/toolBLEx/releases/tag/v0.11</url> </release>
     <release version="0.10" date="2023-12-01"> <url type="details">https://github.com/emericg/toolBLEx/releases/tag/v0.10</url> </release>
     <release version="0.9" date="2023-09-28" />