Bump pipelex-cli to 0.1.3 for PyPI publish

[lchoquel]

Summary

• Bump pipelex-cli version from 0.1.2 to 0.1.3 to fix PyPI publish failure
• Version 0.1.2 was already published with different metadata, causing a 400 Bad Request on re-upload since PyPI rejects same-version uploads with different content

Test plan

• cargo check -p pipelex-cli passes
• After merge, CI auto-tags plxt-cli/v0.1.3 and triggers the release workflow
• PyPI upload succeeds for the new 0.1.3 version

🤖 Generated with Claude Code

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