Update android.gradle to v8.7.0

| datasource | package                                                       | from  | to    |
| ---------- | ------------------------------------------------------------- | ----- | ----- |
| maven      | com.android.application:com.android.application.gradle.plugin | 8.6.1 | 8.7.0 |
| maven      | com.android.library:com.android.library.gradle.plugin         | 8.6.1 | 8.7.0 |

Author: renovate[bot]

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ java-toolchain = "17"
 
 ktlint = "1.1.1"
 
-android-gradle = "8.6.1"
+android-gradle = "8.7.0"
 android-min = "24"
 android-target = "34"
 android-compile = "34"