Update syntax to Python 3.9

[hagenw]

Updates syntax to Python >=3.9 by removing the typing module.

Summary by Sourcery

Enhancements:

• Update type hint syntax to Python 3.9 standards by replacing the use of the 'typing' module with built-in generic types.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request updates the codebase to use Python 3.9's new type annotation syntax by replacing the typing module imports with native type annotations. The changes primarily involve simplifying type hints by using the new union operator (|) and built-in collection type annotations.

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

File-Level Changes

Change	Details	Files
Replace typing.Union with the new union operator (	)	Replace typing.Union[X, Y] with `X
Replace typing collection types with their built-in equivalents	Replace typing.List with list Replace typing.Dict with dict Replace typing.Sequence with Sequence Replace typing.Tuple with tuple Replace typing.Set with set	audb/core/dependencies.py audb/core/info.py audb/core/repository.py audb/core/utils.py tests/test_info.py tests/test_stream.py tests/test_publish_table.py
Update type hints for class methods and function signatures	Replace typing.Type with type Update return type annotations to use the new syntax Update parameter type annotations to use the new syntax	audb/core/lock.py audb/core/flavor.py audb/core/repository.py

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[sourcery-ai]

Hey @hagenw - 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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