updated the code

Author: malavikakrishnan123

src/ArtifactoryUploader/JfrogRepoUpdater.cs

@@ -28,7 +28,7 @@ public static async Task<Bom> UpdateJfrogRepoPathForSucessfullyUploadedItems(Bom
             List<ComponentsToArtifactory> uploadedPackages = PackageUploadInformation.GetUploadePackageDetails(displayPackagesInfo);
 
             // Get the details of all the dest repo names from jfrog at once
-            List<string> destRepoNames = uploadedPackages.Select(x => x.DestRepoName).Distinct().ToList();
+            List<string> destRepoNames = uploadedPackages?.Select(x => x.DestRepoName).Distinct().ToList() ?? new List<string>();
             List<AqlResult> jfrogPackagesListAql = await GetJfrogRepoInfoForAllTypePackages(destRepoNames);
 
             // Update the repo path