Update dependency com.squareup.okhttp3:okhttp-bom to v5.0.0-alpha.15 (#2368)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -25,7 +25,7 @@ kotlinx-datetime = "0.6.2"
 kotlinx-serialization = "1.8.1"
 ksp = "2.2.0-RC-2.0.1"
 ktor = "3.1.3"
-okhttp = "5.0.0-alpha.14"
+okhttp = "5.0.0-alpha.15"
 okio = "3.12.0"
 splitties = "3.0.0"
 telephoto = "0.16.0"