* chore(dependencies): Downgrade matplotlib-inline for Python 3.10

* fix: Ignore matplotlib-inline unknown license

* chore: Bump Poetry to v2.2.1 (from v2.2.0)

* test: Downgrade matplotlib-inline to 0.1 for all Python versions

* test: Remove matplotlib-inline to see if CI works correctly

* test: Downgrade to Poetry 2.1.4

* test: Pin importlib-metadata for Python 3.9

* fix: Revert failed importlib-metadata downgrade

* fix: Revert changes after Poetry installation step now succeeds

* chore(ci): Combine code coverage in CI before uploading to codecov

* fix(ci): Account for parallel mode creating multiple coverage files

* test: Debug coverage files

* fix: Debug coverage artifacts

* test: Simplify code coverage artifact paths

* test: Inspect generated coverage files as they are missing before upload

* fix: Ensure upload-artifact action includes gitignored `.coverage` file

* test: Debug coverage combining step

* fix: Coverage artifact ID incrementing

* fix: Fail fast and use correct directory when combining coverage files

* fix: Only upload the provided combined coverage file to codecov

* chore(ci): Simplify the logic and error handling for combining coverage

* fix: Debug coverage using nox target

* fix: Lint

* chore: Incorporate PR review suggestions