Update room to v2.8.4

Author: renovate[bot]

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ viewpager = "1.1.0"
 material = "1.6.1"
 serialization = "1.3.3"
 kaidl = "1.15"
-room = "2.4.2"
+room = "2.8.4"
 multiprocess = "1.0.0"
 quickie = "1.11.0"
 androidx-activity-ktx = "1.12.4"