[cmake] Move Qt externals handling to root CMakeLists.txt, and move QuaZip to upstream (#3447)

QuaZip lets you disable QTextCodec now so we can use it.

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3447
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: Lizzie <lizzie@eden-emu.dev>

CMakeLists.txt

@@ -693,6 +693,14 @@ if (ENABLE_QT)
     set(QT_MAJOR_VERSION 6)
     # Qt6 sets cxx_std_17 and we need to undo that
     set_target_properties(Qt6::Platform PROPERTIES INTERFACE_COMPILE_FEATURES "")
+
+    ## Qt Externals ##
+
+    # QuaZip
+    AddJsonPackage(quazip)
+
+    # frozen
+    AddJsonPackage(frozen)
 endif()
 
 if (NOT YUZU_STATIC_ROOM AND NOT (YUZU_USE_BUNDLED_FFMPEG OR YUZU_USE_EXTERNAL_FFMPEG))