deps android: Upgrade Kotlin to 2.2.20, from 2.2.0

Changelog:
  https://kotlinlang.org/docs/whatsnew2220.html

Highlights:
  * Mostly experimental changes.

  * One notable change is improved incremental compilation
    for Kotlin/JVM but currently experimental:
    - https://kotlinlang.org/docs/whatsnew2220.html#preview-improved-incremental-compilation-for-kotlin-jvm

  * And one breaking change for `kapt.use.k2` property, which we do not use.

Author: rajveermalviya

android/gradle.properties

@@ -13,4 +13,4 @@ agpVersion=8.12.0
 #   https://kotlinlang.org/docs/releases.html#release-details
 # A helpful discussion is at:
 #   https://stackoverflow.com/a/74425347
-kotlinVersion=2.2.0
+kotlinVersion=2.2.20