Hotfix: Create Datumaro cache dir

[vinnamkim]

Summary

• This is because Geti containers have no write access.
• Do not create Datumaro cache dir when just importing datumaro
• Raise an error log and do not terminate it if it is not possible to create the cache directory.

How to test

I added a test for this change.

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have added the description of my changes into CHANGELOG.​
• I have updated the documentation accordingly

License

• I submit my code changes under the same MIT License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2023 Intel Corporation
#
# SPDX-License-Identifier: MIT

I'll approve this after all tests are passed.