Revert "build: Upgrade gradle to 9.1.0 and AGP to 9.0.0"

This reverts commit 2fd9922.

Author: UmerCodez

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "9.0.0"
+agp = "8.13.2"
 jacksonDatabind = "2.10.0"
 kotlin = "2.3.10"
 coreKtx = "1.16.0"

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Thu Oct 23 15:29:04 PKT 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists