Make catalog logging a little quiter where entities are erroring

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

.changeset/selfish-rivers-fetch.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-backend': patch
+---
+
+Make entity collection errors a little quieter in the logs.

plugins/catalog-backend/src/processing/DefaultCatalogProcessingEngine.ts

@@ -195,7 +195,7 @@ export class DefaultCatalogProcessingEngine {
             const location =
               unprocessedEntity?.metadata?.annotations?.[ANNOTATION_LOCATION];
             for (const error of result.errors) {
-              this.logger.warn(error.message, {
+              this.logger.debug(error.message, {
                 entity: entityRef,
                 location,
               });