chore: move top-level settings into lint section

[deepyaman]

Description

warning: The top-level linter settings are deprecated in favour of their counterparts in the `lint` section. Please update the following options in `kedro-datasets/pyproject.toml`:
  - 'per-file-ignores' -> 'lint.per-file-ignores'

Development notes

Checklist

• Opened this PR as a 'Draft Pull Request' if it is work-in-progress
• Updated the documentation to reflect the code changes
• Updated jsonschema/kedro-catalog-X.XX.json if necessary
• Added a description of this change in the relevant RELEASE.md file
• Added tests to cover my changes
• Received approvals from at least half of the TSC (required for adding a new, non-experimental dataset)

[deepyaman]

Test failure is unrelated (seems to be something breaking on e2e kedro-docker tests with PySpark).