update gradle wrapper, agp, kotlin and libraries

* kotline 1.9.22 -> 2.0.20
* ktor 2.3.6 -> 3.0.0
* agp 8.3.0 -> 8.7.1

build.gradle

@@ -1,14 +1,14 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = "1.9.22"
-    ext.ktor_version = "2.3.6"
+    ext.kotlin_version = "2.0.20"
+    ext.ktor_version = "3.0.0"
     ext.exo_version = "2.18.7"
     repositories {
         google()
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.3.0'
+        classpath 'com.android.tools.build:gradle:8.7.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong