script maintenance.sh fails on 22.01

[martinwolst]

The bug
Running the maintenence.sh script fails with:

Traceback (most recent call last):
  File "scripts/cleanup_datasets/cleanup_datasets.py", line 542, in <module>
    main()
  File "scripts/cleanup_datasets/cleanup_datasets.py", line 129, in main
    delete_datasets(app, cutoff_time, args.remove_from_disk, info_only=args.info_only, force_retry=args.force_retry)
  File "scripts/cleanup_datasets/cleanup_datasets.py", line 284, in delete_datasets
    library_dataset_ids_query = sa.select((app.model.LibraryDataset.table.c.id,
AttributeError: type object 'LibraryDataset' has no attribute 'table'

Galaxy Version: 22.01
Commit: d75c0fd

To Reproduce - running in dry-run mode
switch to the galaxy user and:
source /srv/galaxy/venv/bib/activate
export GALAXY_CONFIG_FILE=/srv/galaxy/config/galaxy.yml
cd /srv/galaxy/server
bash scripts/maintenance.sh

Expected behaviour
Script runs to clean up data(base)

[jdavcs]

Fixed in #15222