[Windows] Upgrade Inno Setup from 6.0.2 to 6.0.5

Inno Setup 6.0.4 has been released.

This version brings various improvements such as improved dark theme support for the Compiler IDE, support for images in .rtf files displayed by Setup and improved Restart Manager support.

This version also contains 2 fixes and for performance reasons upgrading is recommended if you use many [InstallDelete] entries, or use wildcards in such entries.

Inno Setup 6.0.5 has been released.

• Changes to further help protect installers against potential DLL preloading attacks.
• Compiler IDE change: added Inno Setup Mailing List menu item to the Help menu.
• Inno Setup can now be installed using the new Windows Package Manager.
• Minor tweaks.