bump version to v0.6 for release

Author: esjeon

metadata.desktop

@@ -9,7 +9,7 @@ X-Plasma-MainScript=ui/main.qml
 X-KDE-PluginInfo-Author=Eon S. Jeon
 X-KDE-PluginInfo-Email=esjeon@hyunmu.am
 X-KDE-PluginInfo-Name=forceblur
-X-KDE-PluginInfo-Version=0.5
+X-KDE-PluginInfo-Version=0.6
 X-KDE-PluginInfo-License=MIT
 
 Type=Service