Update tspconfig.yaml (#32823)

update name of sdk packaging

specification/impact/Impact.Management/tspconfig.yaml

@@ -14,7 +14,7 @@ options:
     output-file: "{azure-resource-provider-folder}/{service-name}/{version-status}/{version}/impact.json"
   "@azure-tools/typespec-csharp":
     flavor: azure
-    package-dir: "Azure.ResourceManager.Impact"
+    package-dir: "Azure.ResourceManager.ImpactReporting"
     clear-output-folder: true
     model-namespace: false
     namespace: "{package-dir}"