build(deps): bump third_party/prjxray from `9495c3b` to `807670c` (#3336)

Bumps [third_party/prjxray](https://github.com/f4pga/prjxray) from `9495c3b` to `807670c`.
- [Commits](https://github.com/f4pga/prjxray/compare/9495c3be79c6b6cdfdfa45b2a120c11ec5e99670...807670ce0cb1863c87f018c89a1345cc06d9c1cd)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/third_party/prjxray b/third_party/prjxray
index 9495c3b..807670c 160000
--- a/third_party/prjxray
+++ b/third_party/prjxray
@@ -1 +1 @@
-Subproject commit 9495c3be79c6b6cdfdfa45b2a120c11ec5e99670
+Subproject commit 807670ce0cb1863c87f018c89a1345cc06d9c1cd