fix: updated to latest Openroad with pinswap fixes

openroadie · openroadie · commit 5f56dbdd31f3 · 2023-05-02T12:51:58.000-07:00
Signed-off-by: Harsh Vardhan &lt;openroadie@chez-vardhan.com&gt;
diff --git a/tools/OpenROAD b/tools/OpenROAD
@@ -1 +1 @@
-Subproject commit 8a4065b09f5caf8998af059660c63201792a7ea5
+Subproject commit 20b907452e39910cc8500df794f4b9fd40f15431
