Upgrade to latest Unison

hojberg · hojberg · commit a748c088ad8c · 2025-10-09T12:18:16.000-04:00
diff --git a/unison b/unison
@@ -1 +1 @@
-Subproject commit d85de68861c65d6419a6ac9df8022400adb27f4d
+Subproject commit 3257bad5503f30d9c97d961e9bc6633162b2cf96
