Bump agp from 8.7.3 to 8.9.1

Bumps `agp` from 8.7.3 to 8.9.1.

Updates `com.android.library` from 8.7.3 to 8.9.1

Updates `com.android.application` from 8.7.3 to 8.9.1

---
updated-dependencies:
- dependency-name: com.android.library
  dependency-version: 8.9.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.android.application
  dependency-version: 8.9.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "8.7.3"
+agp = "8.9.1"
 kotlin = "2.1.10"
 
 android-minSdk = "24"