fix: reduce sandbox size for d_library targets

[dcarp]

Fixes #112

[Copilot]

Pull Request Overview

This PR reduces the action sandbox size for d_library targets by excluding unnecessary library artifacts from the compilation action inputs (Fixes #112).

• Factor out inputs depset to a local variable and pass it into ctx.actions.run
• Conditionally exclude d and C libraries from inputs when target_type == TARGET_TYPE.LIBRARY

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[Copilot]

Pull Request Overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated no new comments.

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