Bump nixpkg and pulumi

[nicu-da]

[static]

part of #3625

• cluster test
• macos test

Pull Request Checklist

Cluster Testing

• If a cluster test is required, comment /cluster_test on this PR to request it, and ping someone with access to the DA-internal system to approve it.
• If a hard-migration test is required (from the latest release), comment /hdm_test on this PR to request it, and ping someone with access to the DA-internal system to approve it.

PR Guidelines

• Include any change that might be observable by our partners or affect their deployment in the release notes.
• Specify fixed issues with Fixes #n, and mention issues worked on using #n
• Include a screenshot for frontend-related PRs - see README or use your favorite screenshot tool

Merge Guidelines

• Make the git commit message look sensible when squash-merging on GitHub (most likely: just copy your PR description).

[nicu-da]

/cluster_test

[github-actions]

Deploy cluster test triggered for Commit de7e4a2d2a6c334b821c98dee2a9d4650a907967 in , please contact a Contributor to approve it in CircleCI: https://app.circleci.com/pipelines/github/DACH-NY/canton-network-internal/48263