Update agp to v8.9.1

Author: renovate[bot]

gradle/libs.versions.toml

@@ -5,7 +5,7 @@ android-compileSdk = "35"
 java-toolchain = "17"
 
 compose = "1.7.3"
-agp = "8.7.2"
+agp = "8.9.1"
 kotlin = "2.1.0"
 publish = "0.30.0"
 api-validator = "0.17.0"