fix(deps): update androidxroom to v2.8.1

Author: renovate[bot]

gradle/libs.versions.toml

@@ -17,7 +17,7 @@ androidxActivity = "1.10.1"
 androidxComposeBom = "2025.08.01"
 androidxNavigationCompose = "2.9.3"
 androidxLifecycle = "2.9.3"
-androidxRoom = "2.7.2"
+androidxRoom = "2.8.1"
 sqlite = "2.5.2"
 compose-plugin = "1.8.2"
 accompanist = "0.36.0"