Update Magiskboot to v29.0

Author: fatalcoder524

app/src/main/java/com/github/capntrips/kernelflasher/MainActivity.kt

@@ -186,7 +186,7 @@ class MainActivity : ComponentActivity() {
             Shell.cmd("cd $filesDir").exec()
             copyNativeBinary("lptools_static") // v20220825
             copyNativeBinary("httools_static") // v3.2.0
-            copyNativeBinary("magiskboot") // v25.2
+            copyNativeBinary("magiskboot") // v29.0
             copyAsset("flash_ak3.sh")
         } catch (e: Exception) {
             Log.e(TAG, e.message, e)