Fix CI, update pyproject.toml and version

[Secrus]

Summary by Sourcery

CI:

• Use poetry check --lock instead of poetry lock --check.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request fixes the lock check command in the CI workflow to use the correct poetry check --lock command.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Updated the lock check command	Replaced poetry lock --check with poetry check --lock	.github/workflows/tests.yaml

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[sourcery-ai]

Hey @Secrus - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[abn]

Out of scope for this change but we should expose pyproject.version etc.