Fix docs for deprecated type

Signed-off-by: Brian Fletcher <brian@roadie.io>

docs/features/software-catalog/external-integrations.md

@@ -506,9 +506,12 @@ import {
   processingResult,
   CatalogProcessor,
   CatalogProcessorEmit,
-  LocationSpec,
 } from '@backstage/plugin-catalog-node';
 
+import {
+  LocationSpec
+} from "@backstage/plugin-catalog-common"
+
 // A processor that reads from the fictional System-X
 export class SystemXReaderProcessor implements CatalogProcessor {
   constructor(private readonly reader: UrlReader) {}