fix(scaffolder-backend): pass missing config to NunjucksWorkflowRunner

Signed-off-by: Jee-on <tjdgh3586@gmail.com>

.changeset/bumpy-papers-clean.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder-backend': patch
+---
+
+Fixed a bug where config was not passed to NunjucksWorkflowRunner, causing defaultEnvironment to be undefined

plugins/scaffolder-backend/src/scaffolder/tasks/TaskWorker.ts

@@ -134,6 +134,7 @@ export class TaskWorker {
       additionalTemplateFilters,
       additionalTemplateGlobals,
       permissions,
+      config,
     });
 
     return new TaskWorker({