Update activity to v1.8.1

Author: renovate[bot]

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ datastore = "1.0.0"
 constraintlayout = "2.1.4"
 constraintlayout_compose = "1.0.1"
 lifecycle = "2.7.0-beta01"
-activity = "1.8.0"
+activity = "1.8.1"
 media3 = "1.1.1"
 
 # Compose