Zarr compression tests only with versions before 3.0

[ericspod]

Fixes #8298.

Description

This includes the tests for the compressor argument when testing with Zarr before version 3.0 when this argument was deprecated. A fix to upgrade the version of pycln used is also included. The version of PyTorch is also fixed to below 2.6 to avoid issues with misuse of torch.load which must be addressed later.

Types of changes

• Non-breaking change (fix or new feature that would not break existing functionality).
• Breaking change (fix or new feature that would cause existing functionality to change).
• New tests added to cover the changes.
• Integration tests passed locally by running ./runtests.sh -f -u --net --coverage.
• Quick tests passed locally by running ./runtests.sh --quick --unittests --disttests.
• In-line docstrings updated.
• Documentation updated, tested make html command in the docs/ folder.