Pulumi: Fix selectors not updating

[JimMadge]

✅ Checklist

• You have given your pull request a meaningful title (e.g. Enable foobar integration rather than 515 foobar).
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• Your branch is up-to-date with the target branch (it probably was when you started, but it may have changed since then).
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⤴️ Summary

🌂 Related issues

Related to alan-turing-institute/nexus-allowlist#27

🔬 Tests

todo