Bump vtr-verilog-to-routing from `b763242` to `ff83963`

Bumps [vtr-verilog-to-routing](https://github.com/verilog-to-routing/vtr-verilog-to-routing) from `b763242` to `ff83963`.
- [Release notes](https://github.com/verilog-to-routing/vtr-verilog-to-routing/releases)
- [Commits](b76324282e...ff83963de3)

---
updated-dependencies:
- dependency-name: vtr-verilog-to-routing
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

vtr-verilog-to-routing

@@ -1 +1 @@
-Subproject commit b76324282eb7e65a26342f5a5b96b421a616b59e
+Subproject commit ff83963de3e4c12f372d4d80fd039305b8344440