Address overridePendingTransition deprecation (#410)

This function is deprecated starting with API 34 "UpsideDownCake" and
should be replaced with `overrideActivityTransition`.

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.ui.reader
 
 import android.annotation.SuppressLint
+import android.app.Activity
 import android.app.assist.AssistContent
 import android.content.Context
 import android.content.Intent
@@ -136,7 +137,16 @@ class ReaderActivity : BaseActivity() {
      */
     override fun onCreate(savedInstanceState: Bundle?) {
         registerSecureActivity(this)
-        overridePendingTransition(R.anim.shared_axis_x_push_enter, R.anim.shared_axis_x_push_exit)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
+            overrideActivityTransition(
+                Activity.OVERRIDE_TRANSITION_OPEN,
+                R.anim.shared_axis_x_push_enter,
+                R.anim.shared_axis_x_push_exit,
+            )
+        } else {
+            @Suppress("DEPRECATION")
+            overridePendingTransition(R.anim.shared_axis_x_push_enter, R.anim.shared_axis_x_push_exit)
+        }
 
         super.onCreate(savedInstanceState)
 
@@ -267,7 +277,16 @@ class ReaderActivity : BaseActivity() {
     override fun finish() {
         viewModel.onActivityFinish()
         super.finish()
-        overridePendingTransition(R.anim.shared_axis_x_pop_enter, R.anim.shared_axis_x_pop_exit)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
+            overrideActivityTransition(
+                Activity.OVERRIDE_TRANSITION_CLOSE,
+                R.anim.shared_axis_x_pop_enter,
+                R.anim.shared_axis_x_pop_exit,
+            )
+        } else {
+            @Suppress("DEPRECATION")
+            overridePendingTransition(R.anim.shared_axis_x_pop_enter, R.anim.shared_axis_x_pop_exit)
+        }
     }
 
     override fun onKeyUp(keyCode: Int, event: KeyEvent?): Boolean {