Fix extraVolumes in db-initialize-job

Лишний сдвиг при вставке volumes в db-initialize-job

## Add additional volumes and mounts
extraVolumeMounts: |
  - name: grids-exports-tempfiles
    mountPath: /storage/private_files
extraVolumes: |
  - name: grids-exports-tempfiles
    persistentVolumeClaim:
      claimName: grids-exports-tempfiles

Проблема возникла в сборке https://gitlab.trgdev.com/thor/logic-infrastructure/r1.privatefilestorage/-/jobs/274319