Update dependency androidx.core:core-ktx to v1.15.0

| datasource | package                | from   | to     |
| ---------- | ---------------------- | ------ | ------ |
| maven      | androidx.core:core-ktx | 1.13.1 | 1.15.0 |

Author: renovate[bot]

gradle/libs.versions.toml

@@ -20,7 +20,7 @@ android-target = "34"
 android-compile = "34"
 androidx-appcompat = "1.7.0"
 androidx-activity = "1.9.3"
-androidx-core = "1.13.1"
+androidx-core = "1.15.0"
 
 ktor = "2.3.12"