Update dependency com.android.tools.build:gradle to v8.12.1

| datasource | package                        | from  | to     |
| ---------- | ------------------------------ | ----- | ------ |
| maven      | com.android.tools.build:gradle | 8.4.1 | 8.12.1 |

Author: renovate[bot]

buildSrc/src/main/kotlin/deps.kt

@@ -11,7 +11,7 @@ object versions {
   const val spotless = "6.23.3"
   const val ktlint = "1.0.0"
   const val kotlin = "2.0.0"
-  const val agp = "8.4.1"
+  const val agp = "8.12.1"
   const val gradleVersions = "0.50.0"
   const val googleKsp = "2.0.0-1.0.22"
   const val buildKonfig = "0.15.1"