update pi-apps shields query (#12298)

due to badges/shields#10594

README.md

@@ -7,7 +7,7 @@
 [![itch.io](https://img.shields.io/static/v1?label=itch.io&message=Unciv&color=607D8B&logo=itch.io)](https://yairm210.itch.io/unciv)
 [![Flathub](https://img.shields.io/flathub/v/io.github.yairm210.unciv?logo=flathub)](https://flathub.org/apps/details/io.github.yairm210.unciv)
 [![AUR](https://img.shields.io/aur/version/unciv-bin?logo=arch-linux)](https://aur.archlinux.org/packages/unciv-bin)
-[![pi-apps](https://img.shields.io/badge/dynamic/json?color=c51a4a&label=Pi-Apps&logo=raspberry-pi&query=%24..%5B%3F%28%40.Name%3D%3D%22Unciv%22%29%5D.Version&url=https%3A%2F%2Fraw.githubusercontent.com%2FBotspot%2Fpi-apps-analytics%2Fmain%2Fpackage_data.json)](https://github.com/Botspot/pi-apps)
+[![pi-apps](https://img.shields.io/badge/dynamic/json?color=c51a4a&label=Pi-Apps&logo=raspberry-pi&query=%24.Unciv.Version&url=https%3A%2F%2Fraw.githubusercontent.com%2FBotspot%2Fpi-apps-analytics%2Fmain%2Fpackage_data_v2.json)](https://github.com/Botspot/pi-apps)
 [![macport](https://img.shields.io/badge/dynamic/json?logo=apple&label=MacPorts&prefix=v&query=version&url=https%3A%2F%2Fports.macports.org%2Fapi%2Fv1%2Fports%2Funciv%2F)](https://ports.macports.org/port/unciv/)
 [![Chocolatey](https://img.shields.io/chocolatey/v/unciv)](https://community.chocolatey.org/packages/unciv)
 [![scoop-games](https://img.shields.io/scoop/v/unciv?bucket=games)](https://github.com/Calinou/scoop-games)