Bump com.android.tools.build:gradle from 8.2.2 to 8.6.0 in /buildSrc

Bumps com.android.tools.build:gradle from 8.2.2 to 8.6.0.

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

buildSrc/build.gradle

@@ -13,7 +13,7 @@ repositories {
 dependencies {
     implementation gradleApi()
     implementation localGroovy()
-    implementation 'com.android.tools.build:gradle:8.5.2'
+    implementation 'com.android.tools.build:gradle:8.6.0'
     implementation 'org.jetbrains:annotations:24.1.0'
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.mockito:mockito-core:5.13.0'