Update androidx.core to v1.19.0-rc01

Author: renovate[bot]

gradle/libs.versions.toml

@@ -2,7 +2,7 @@
 accompanist = "0.37.3"
 agp = "9.2.1"
 androidx-activity = "1.13.0"
-androidx-core = "1.18.0"
+androidx-core = "1.19.0-rc01"
 androidx-sqlite = "2.7.0-alpha05"
 appcompat = "1.8.0-alpha01"
 benchmark = "1.5.0-alpha06"