chore(deps): bump Rslib 0.0.18

[chenjiahan]

Summary

Bump Rslib to v0.0.18.

We no longer need to set output.target: 'node' as this becomes the default value, see https://github.com/web-infra-dev/rslib/releases/tag/v0.0.17

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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