fix(geolocation/ios): proper Info.plist key (tauri-apps#3605)

Author: Vexcited

src/content/docs/plugin/geolocation.mdx

@@ -92,7 +92,7 @@ Apple requires privacy descriptions to be specified in Info.plist for location i
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
     <dict>
-        <key>NSLocationWhenInUseDescription</key>
+        <key>NSLocationWhenInUseUsageDescription</key>
         <string>Required to do XY</string>
     </dict>
 </plist>