Remove support for Python 3.8

[hagenw]

Remove support for Python 3.8.

It also updates the code by stop using typing.

Summary by Sourcery

Remove support for Python 3.8 and update type annotations to use PEP 604 syntax. Update CI workflows to drop Python 3.8 and use Python 3.9, 3.10, and 3.11. Adjust project metadata to reflect the new minimum Python version requirement of 3.9.

Enhancements:

• Update type annotations to use PEP 604 syntax for type hinting.

CI:

• Update CI workflows to use Python 3.9, 3.10, and 3.11 instead of 3.8.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR removes Python 3.8 support by updating type hints to use newer Python syntax and modifying CI configuration files. The changes primarily involve updating type annotations to use the Python 3.9+ syntax for generics (e.g., dict[str, object] instead of Dict[str, Any]) and removing Python 3.8 from CI workflows and project metadata.

Updated class diagram for type annotations

classDiagram
    class OpenSmileException {
        int code
        str message
        OpenSmileException(int code, str message=None)
    }
    class Smile {
        str|FeatureSet feature_set
        str|FeatureLevel feature_level
        dict options
        int loglevel
        str logfile
        int sampling_rate
        int|Sequence~int~ channels
        bool mixdown
        bool resample
        audinterface.Segment segment
        bool keep_nat
        int|None num_workers
        bool multiprocessing
        bool verbose
        Smile(str|FeatureSet feature_set, str|FeatureLevel feature_level, dict options=None, int loglevel=2, str logfile=None, int sampling_rate=None, int|Sequence~int~ channels=0, bool mixdown=False, bool resample=False, audinterface.Segment segment=None, bool keep_nat=False, int|None num_workers=1, bool multiprocessing=False, bool verbose=False)
    }
    class FeatureSetResolver {
        str|FeatureSet decode(str value)
        str encode(str|FeatureSet value)
    }
    class FeatureLevelResolver {
        str|FeatureLevel decode(str value)
        str encode(str|FeatureLevel value)
    }

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File-Level Changes

Change	Details	Files
Update type hints to use Python 3.9+ syntax	Replace typing.Dict, typing.List, typing.Union with their native syntax equivalents Update type hints for dictionary and list parameters Update type hints for optional parameters using	syntax Update return type annotations to use simplified syntax
Remove Python 3.8 from CI workflows	Remove Python 3.8 from test matrix Update default Python version to 3.10 in publish workflow Update Python version to 3.10 in doc workflow	.github/workflows/test.yml .github/workflows/publish.yml .github/workflows/doc.yml
Update project metadata to remove Python 3.8 support	Remove Python 3.8 from Python version classifiers Add requires-python >= 3.9 specification	pyproject.toml

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.0%. Comparing base (a4c5e96) to head (9b176d5).
Report is 1 commits behind head on main.

Additional details and impacted files

Files with missing lines	Coverage Δ
opensmile/core/define.py	100.0% <100.0%> (ø)
opensmile/core/lib.py	100.0% <100.0%> (ø)
opensmile/core/smile.py	100.0% <100.0%> (ø)

[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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