Bump version to 0.2.1 and update optional dependencies in pyproject.toml

[regmibijay]

No description provided.

[Copilot]

Pull Request Overview

This PR bumps the package version from 0.2.0/0.1.1 to 0.2.1 and restructures the optional dependencies configuration in pyproject.toml. The changes ensure version consistency between files and reorganize optional dependencies with improved platform-specific torch installation logic.

• Updated version numbers to 0.2.1 across both init.py and pyproject.toml
• Moved optional dependencies section to a more logical position in pyproject.toml
• Enhanced CPU torch installation with proper platform-specific wheel selection

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
yarp/init.py	Updated package version from "0.2.0" to "0.2.1"
pyproject.toml	Updated version from "0.1.1" to "0.2.1" and reorganized optional dependencies with improved torch CPU installation logic

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