Bump com.android.tools.build:gradle from 8.4.2 to 8.6.1

Bumps com.android.tools.build:gradle from 8.4.2 to 8.6.1.

---
updated-dependencies:
- dependency-name: com.android.tools.build:gradle
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle.kts

@@ -13,7 +13,7 @@ buildscript {
         gradlePluginPortal()
     }
     dependencies {
-        classpath("com.android.tools.build:gradle:8.4.2")
+        classpath("com.android.tools.build:gradle:8.6.1")
         classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.23")
         classpath("com.mikepenz.aboutlibraries.plugin:aboutlibraries-plugin:11.2.1")
     }