build(deps): bump third_party/prjxray from 821625c to 3265766 (#3804

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Bumps [third_party/prjxray](https://github.com/f4pga/prjxray) from `821625c` to `3265766`.
- [Commits](f4pga/prjxray@821625c...3265766)

---
updated-dependencies:
- dependency-name: third_party/prjxray
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>