Update playServicesAds to v23.0.0

This commit updates the `playServicesAds` version in `gradle/libs.versions.toml` from `21.0.0` to `23.0.0`.

Author: eby-dev

gradle/libs.versions.toml

@@ -24,7 +24,7 @@ toasty = "1.5.2"
 zxing = "3.5.3"
 poi = "3.16"
 
-playServicesAds = "21.0.0"
+playServicesAds = "23.0.0"
 playServicesAuthApiPhone = "17.0.0"
 playServicesAuth = "18.1.0"
 playServicesDrive = "17.0.0"