Bump androidx.core:core-ktx from 1.8.0 to 1.15.0

Bumps androidx.core:core-ktx from 1.8.0 to 1.15.0.

---
updated-dependencies:
- dependency-name: androidx.core:core-ktx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

app/build.gradle.kts

@@ -65,7 +65,7 @@ dependencies {
     implementation(platform("com.google.firebase:firebase-bom:33.6.0"))
     implementation("androidx.constraintlayout:constraintlayout:2.1.4")
 
-    implementation("androidx.core:core-ktx:1.8.0")
+    implementation("androidx.core:core-ktx:1.15.0")
     implementation("androidx.appcompat:appcompat:1.4.2")
     implementation("com.google.android.material:material:1.6.1")
     implementation("androidx.compose.ui:ui:$composeVersion")