patch 8.1.1125: libvterm does not handle the window position report

Problem:    Libvterm does not handle the window position report.
Solution:   Let libvterm call the fallback CSI handler when not handling CSI
            sequence.  Handle the window position report in Vim.
diff --git a/src/version.c b/src/version.c
index 8e3e639..f9dd7cc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1125,
+/**/
     1124,
 /**/
     1123,