patch 9.1.0728: [security]: heap-use-after-free in garbage collection with location list user data

Problem:  heap-use-after-free in garbage collection with location list
          user data.
Solution: Mark user data as in use when no other window is referencing
          the location list (zeertzjq)

fixes: neovim/neovim#30371
closes: #15683

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 782f431..ba33f43 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    728,
+/**/
     727,
 /**/
     726,