enabled knipReports for jaeger

[ibrahimcdz]

Hey, I just made a Pull Request!

Enables Knip dependency reports for the [workspace-name] workspace, per #5992.

What changed

• Set "knipReports": false → "knipReports": true in workspaces/[workspace-name]/bcp.json

Notes for reviewers

This is a draft PR. I ran into some issues generating the Knip report locally — the yarn build:knip-reports command referenced in #5992's instructions doesn't exist as a top-level script in this repo currently; the closest equivalent I found was scripts/ci/generate-knip-report.js, which itself calls backstage-repo-tools knip-report and also didn't run cleanly for me locally. Rather than block on that, I'm opening this now so CI can generate the report directly, and I'll push follow-up commits addressing whatever it flags once I can see the output.

✔️ Checklist

• A changeset describing the change and affected packages. (more info)
• Added or updated documentation
• Tests for new functionality and regression tests for bug fixes
• Screenshots attached (for UI changes)
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[backstage-goalie]

Thanks for the contribution!
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