Add neptune clear command

[PatrykGala]

No description provided.

[github-actions]

Test Results

    2 files   -      11      2 suites   - 11   1m 2s ⏱️ - 21m 12s
499 tests  -    215  499 ✔️  -    208  0 💤  -   3  0 ❌  - 4 
998 runs   - 5 106  998 ✔️  - 5 005  0 💤  - 97  0 ❌  - 4 

Results for commit 96868af. ± Comparison against base commit 4d031ee.

This pull request removes 224 and adds 9 tests. Note that renamed tests count towards both.

management.test_management.TestManagement ‑ test_create_project
management.test_management.TestManagement ‑ test_invite_as_non_admin
management.test_management.TestManagement ‑ test_standard_scenario
management.test_management.TestManagement ‑ test_visibility_workspace
management.test_management.TestTrashObjects ‑ test_trash_model_version
management.test_management.TestTrashObjects ‑ test_trash_runs_and_models
standard.test_artifacts.TestArtifacts ‑ test_assignment[model]
standard.test_artifacts.TestArtifacts ‑ test_assignment[model_version]
standard.test_artifacts.TestArtifacts ‑ test_assignment[project]
standard.test_artifacts.TestArtifacts ‑ test_assignment[run]
…

tests.neptune.new.attributes.atoms.test_file.TestFile ‑ test_clean_files_on_close
tests.neptune.new.cli.test_clear ‑ test_clean_containers[model]
tests.neptune.new.cli.test_clear ‑ test_clean_containers[model_version]
tests.neptune.new.cli.test_clear ‑ test_clean_containers[project]
tests.neptune.new.cli.test_clear ‑ test_clean_containers[run]
tests.neptune.new.cli.test_clear ‑ test_clean_deleted_containers[model]
tests.neptune.new.cli.test_clear ‑ test_clean_deleted_containers[model_version]
tests.neptune.new.cli.test_clear ‑ test_clean_deleted_containers[project]
tests.neptune.new.cli.test_clear ‑ test_clean_deleted_containers[run]

♻️ This comment has been updated with latest results.