fix(deps): update dependency org.jetbrains.kotlinx:kotlinx-coroutines-test to v1.9.0 (#3821)

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

Author: renovate[bot]

tests/output/kotlin/gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 kotlin = "2.0.20"
-coroutines = "1.8.1"
+coroutines = "1.9.0"
 serialization = "1.5.0"
 ktor = "2.3.12"