Update ublas from master

boost-commitbot · boost-commitbot · commit a02aa474e005 · 2026-05-05T23:18:50.000Z
diff --git a/libs/numeric/ublas b/libs/numeric/ublas
@@ -1 +1 @@
-Subproject commit 15d871b410ff92592c6f3e0a53550035e7817046
+Subproject commit 1e660d66d2bcc6e7afddbb0d0c91507f4c252bf1
