Update vulnerable packages (7.2)

[andystaples]

Update a number of packages to mitigate recently discovered vulnerabilities:

System.Text.Json 8.0.4 -> 8.0.5 System.IO.Packaging 6.0.0 (transitive) -> 6.0.1

Pull request checklist

• [x] My changes do not require documentation changes
  • [ ] Otherwise: Documentation issue linked to PR
• [x] My changes should not be added to the release notes for the next release
  • [ ] Otherwise: I've added my notes to release_notes.md
• [x] My changes do not need to be backported to a previous version
  • [ ] Otherwise: Backport tracked by issue/PR #issue_or_pr
• [x] I have added all required tests (Unit tests, E2E tests)