Upgrade Kotlin and KSP

Fixes multiple build errors. Once parcelize is fixed, we should be good
to use built-in Kotlin completely

Ref: https://issuetracker.google.com/issues/478401081

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

build.gradle.kts

@@ -3,6 +3,13 @@
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
+buildscript {
+    dependencies {
+        // https://developer.android.com/build/releases/agp-9-0-0-release-notes#runtime-dependency-on-kotlin-gradle-plugin-upgrade
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:${libs.versions.kotlin.get()}")
+    }
+}
+
 plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.android.legacy.kapt) apply false

gradle/libs.versions.toml

@@ -23,8 +23,8 @@ groupie = "2.10.1"
 jsoup = "1.22.1"
 junit = "4.13.2"
 junit-ext = "1.3.0"
-kotlin = "2.2.10"
-ksp = "2.3.4"
+kotlin = "2.3.0"
+ksp = "2.3.5"
 ktlint = "1.8.0"
 leakcanary = "2.14"
 lifecycle = "2.9.4" # Newer versions require minSdk >= 23