logs: Preset fetch error

lib/config/presets.js

@@ -47,6 +47,7 @@ async function resolveConfigPresets(
         try {
           fetchedPreset = await getPreset(preset);
         } catch (err) {
+          logger.debug({ err }, 'Preset fetch error');
           // istanbul ignore if
           if (
             err.message === 'platform-failure' ||