Update intrusive from master

boost-commitbot · boost-commitbot · commit 3026d7518da7 · 2026-02-27T06:21:25.000Z
diff --git a/libs/intrusive b/libs/intrusive
@@ -1 +1 @@
-Subproject commit 6ef2c48e694f810e80e1e54b6b93d924bfc2636e
+Subproject commit 1b4af0df680654d8abd1d48066f493b06238a36d
