chore(deps): bump com.android.tools.build:gradle

Bumps com.android.tools.build:gradle from 8.5.0 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]>

tutorials/java/MapWithMarker/build.gradle.kts

@@ -22,7 +22,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath("com.android.tools.build:gradle:8.5.0")
+        classpath("com.android.tools.build:gradle:8.6.0")
         classpath("com.google.android.libraries.mapsplatform.secrets-gradle-plugin:secrets-gradle-plugin:2.0.1")
     }
 }