chore(deps): update backend digest to 620b090

renovate[bot] · web-flow · commit a4ca4f8864e9 · 2026-05-05T14:37:25.000Z
diff --git a/backend b/backend
@@ -1 +1 @@
-Subproject commit 6d98b49278282ec435e75c3825496b42eca20fec
+Subproject commit 620b090071edf5432f9e11a7abfce4fa47899295
