Add limit do disk queue

[pankin397]

Now there is a limited batch size that can be pulled out of disk_queue.get_batch(), it's determined by the MAX_BATCH_SIZE env variable.

[github-actions]

Test Results

       2 files   -      11         2 suites   - 11   1m 12s ⏱️ - 22m 51s
   502 tests  -    222     502 ✔️  -    215  0 💤  -   3  0 ❌  - 4 
1 004 runs   - 5 220  1 004 ✔️  - 5 119  0 💤  - 97  0 ❌  - 4 

Results for commit 00e21dc. ± Comparison against base commit 22fffd1.

This pull request removes 224 and adds 2 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.internal.test_disk_queue.TestDiskQueue ‑ test_batch_limit
tests.neptune.new.internal.utils.test_json_file_splitter.TestJsonFileSplitter ‑ test_data_size

♻️ This comment has been updated with latest results.