chore(deps): update backend digest to c43c38a

renovate[bot] · web-flow · commit e0db40f68be0 · 2026-03-30T17:20:57.000Z
diff --git a/backend b/backend
@@ -1 +1 @@
-Subproject commit 74a4a5de3a7cd9682197ba96192e1c3b50f31a17
+Subproject commit c43c38a139ede2df78dd512c35cc166eaa5cc3b5
