build(deps): bump androidGradlePlugin from 8.6.1 to 8.13.0

Bumps `androidGradlePlugin` from 8.6.1 to 8.13.0.

Updates `com.android.tools.build:builder-test-api` from 8.6.1 to 8.13.0

Updates `com.android.tools.build:gradle` from 8.6.1 to 8.13.0

Updates `com.android.tools.build:gradle-api` from 8.6.1 to 8.13.0

---
updated-dependencies:
- dependency-name: com.android.tools.build:builder-test-api
  dependency-version: 8.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.android.tools.build:gradle
  dependency-version: 8.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.android.tools.build:gradle-api
  dependency-version: 8.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@
 # it needs to match the protobuf version which grpc has transitive dependency on, which
 # needs to match the version of grpc that grpc-kotlin has a transitive dependency on.
 android-lint = "31.3.2"
-androidGradlePlugin = "8.6.1"
+androidGradlePlugin = "8.13.0"
 androidx-core = "1.13.1"
 androidx-test-core = "1.5.0"
 androidx-test-junit = "1.1.5"