refactor: improve SBOM artifact handling

Signed-off-by: Nelson Baby <nelson.b@ibm.com>

Author: NelsonMeleth

buildSrc/src/main/kotlin/docling-release.gradle.kts

@@ -14,11 +14,14 @@ publishing {
     create<MavenPublication>("maven") {
       from(components["java"])
 
-      // Attach SBOM artifact to publication
-      artifact(layout.buildDirectory.file("reports/cyclonedx/bom.json")) {
-        classifier = "cyclonedx"
-        extension = "json"
-        builtBy(tasks.named("cyclonedxBom"))
+      // Attach SBOM artifacts to publication (both JSON and XML)
+      val cyclonedxTask = tasks.named("cyclonedxBom")
+      cyclonedxTask.get().outputs.files.forEach { file ->
+        artifact(file) {
+          classifier = "cyclonedx"
+          extension = file.extension
+          builtBy(cyclonedxTask)
+        }
       }
 
       pom {