Proper Sparkle XML links added

Author: lonkelle

AltServer/Info.plist

@@ -33,8 +33,8 @@
 	<key>NSPrincipalClass</key>
 	<string>NSApplication</string>
 	<key>SUFeedURL</key>
-	<string>https://altstore.io/altserver/sparkle-macos.xml</string>
+	<string>https://github.com/SideStore/SideServer-macOS/raw/develop/sparkle-macos.xml</string>
 	<key>SUFeedURL-Staging</key>
-	<string>https://altstore.io/altserver/sparkle-macos.xml</string>
+	<string>https://github.com/SideStore/SideServer-macOS/raw/develop/sparkle-macos.xml</string>
 </dict>
 </plist>