[Feature] Sync Java apis with newly added c apis && demo for dev-1.x

[hanrui1sensetime]

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Motivation

Add PoseTracker java apis for dev-1.x

Modification

• PoseTracker java apis and command-line demo
• RotatedDetection java apis and command-line demo
• Support ImageSegmentation float scores for java api
• Docs
• Fix CI

BC-breaking (Optional)

None.

Use cases (Optional)

None.

Checklist

1. Pre-commit or other linting tools are used to fix the potential lint issues.
2. The modification is covered by complete unit tests. If not, please add more unit tests to ensure the correctness.
3. If the modification has a dependency on downstream projects of a newer version, this PR should be tested with all supported versions of downstream projects.
4. The documentation has been modified accordingly, like docstring or example tutorials.