message: create-app: update app config to use the latest techdocs.generator option
  See
  PR
diff: @@ -60,8 +60,8 @@ proxy:
  # https://backstage.io/docs/features/techdocs/how-to-guides#how-to-migrate-from-techdocs-basic-to-recommended-deployment-approach
  techdocs:
  builder: 'local' # Alternatives - 'external'
  - generators:
  - techdocs: 'docker' # Alternatives - 'local'
  + generator:
  + runIn: 'docker' # Alternatives - 'local'
  publisher:
  type: 'local' # Alternatives - 'googleGcs' or 'awsS3'. Read documentation for using alternatives.
  