Fix AGP compatibility

app/build.gradle.kts

@@ -4,9 +4,7 @@ plugins {
 
 android {
     namespace = "com.example.petstoremobile"
-    compileSdk {
-        version = release(36)
-    }
+    compileSdk = 36
 
     defaultConfig {
         applicationId = "com.example.petstoremobile"

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "9.0.1"
+agp = "8.9.1"
 junit = "4.13.2"
 junitVersion = "1.3.0"
 espressoCore = "3.7.0"