fix(deps): update dependency io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha to v2.9.0-alpha-snapshot

Author: renovate[bot]

dependencyManagement/build.gradle.kts

@@ -7,7 +7,7 @@ data class DependencySet(val group: String, val version: String, val modules: Li
 val dependencyVersions = hashMapOf<String, String>()
 rootProject.extra["versions"] = dependencyVersions
 
-val otelInstrumentationVersion = "2.8.0-alpha"
+val otelInstrumentationVersion = "2.9.0-alpha-SNAPSHOT"
 
 val DEPENDENCY_BOMS = listOf(
   "com.fasterxml.jackson:jackson-bom:2.18.0",