Fix #12856: keep PSEUDO regex non-greedy

diff --git a/src/sizzle b/src/sizzle
index ac765b61bd4fdc6e76f459f18e1f99c9ed6e28da..7bef9ba3b2be83595ae38c41de0af9a4809cfb69 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit ac765b61bd4fdc6e76f459f18e1f99c9ed6e28da
+Subproject commit 7bef9ba3b2be83595ae38c41de0af9a4809cfb69