build: cache path for squish target

Author: saw-jan

.craft.ini

@@ -110,7 +110,7 @@ libs/qt6/qtbase.withDBus = True
 
 [linux-gcc-x86_64-squish]
 General/ABI = linux-64-gcc
-Packager/CacheVersion = ${GeneralSettings:Packager/CacheVersion}/squish
+Packager/CacheVersion = ${Variables:ownCloudVersion}/Qt_${linux-gcc-x86_64-squish-BlueprintSettings:libs/qt6.version}_${Variables:CachePatchLvl}
 
 [linux-gcc-x86_64-squish-BlueprintSettings]
 libs/dbus.ignored = False